{"product_id":"siruba-bh-9820e-01-electronic-keyhole-buttonhole-machine","title":"Siruba BH-9820E-01 Electronic Keyhole Buttonhole Machine","description":"\u003c!--\n  READY TO PASTE INTO THE SHOPIFY PRODUCT DESCRIPTION HTML EDITOR\n  New product: Siruba BH-9820E-01 Electronic Keyhole Buttonhole Machine\n  Prepared for: Direct Sewing Machines \u0026 Supplies NZ\n\n  VERIFIED POSITIONING NOTES:\n  - Direct-drive programmable electronic eyelet\/keyhole buttonholing machine.\n  - The -01 subclass trims both needle and bobbin threads with a long-tail trim.\n  - Primary applications: men's clothing, tailoring, suiting and casualwear.\n  - Keyhole\/round-head buttonhole length: 8-42mm.\n  - Straight buttonhole length: 5-42mm.\n  - Sewing speed: adjustable from 1,000 to 2,500 stitches\/min.\n  - Stitch pitch: 0.5-2.0mm; overedge\/zigzag width: 1.5-5.0mm; factory width 2.5mm for -01.\n  - Standard clamp lift: 12mm; up to 16mm configuration possible.\n  - Needle system: DOx558, Nm80-Nm120.\n  - 550W AC servo motor and servo\/stepper-controlled X, Y and theta feed.\n  - Requires regulated compressed air: 0.5MPa main regulator, 0.4MPa hammer regulator; stated consumption 43.2L\/min at 8 cycles\/min.\n  - Exact NZ electrical supply, compressor, knife\/hammer gauge and installed options must be confirmed before quotation.\n  - No price, availability, warranty or freight cost is hard-coded.\n--\u003e\n\n\u003cstyle\u003e\n.dsbh{--teal:#007d83;--deep:#07484d;--ink:#20272b;--steel:#59676e;--mist:#f1f6f6;--pale:#e8f7f6;--line:#d7e2e2;--white:#fff;--orange:#c76d18;--red:#b52d35;--green:#17734a;color:var(--ink);font:16px\/1.64 Arial,Helvetica,sans-serif}.dsbh *{box-sizing:border-box}.dsbh img{display:block;max-width:100%;height:auto}.dsbh a{color:inherit}.dsbh-wrap{max-width:1180px;margin:auto}.dsbh-section{margin:62px 0}.dsbh h2,.dsbh h3{color:var(--ink);line-height:1.16}.dsbh h2{margin:0 0 17px;font-size:clamp(30px,4vw,48px);letter-spacing:-.8px}.dsbh h3{margin:0 0 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p{margin:0}.dsbh-cta{padding:43px;border-radius:20px;background:linear-gradient(135deg,var(--deep),var(--teal));color:#fff;text-align:center}.dsbh-cta h2{color:#fff}.dsbh-cta p{max-width:820px;margin:0 auto 22px;color:#efffff;font-size:18px}.dsbh-cta .dsbh-btn{border-color:#fff;background:#fff;color:var(--deep)!important}.dsbh-cta .dsbh-btn:hover{background:transparent;color:#fff!important}.dsbh-small{color:var(--steel);font-size:13px}\n@media(max-width:960px){.dsbh-hero,.dsbh-split,.dsbh-spec{grid-template-columns:1fr}.dsbh-hero{padding:34px}.dsbh-heroimg{min-height:410px}.dsbh-fit,.dsbh-featuregrid,.dsbh-included{grid-template-columns:repeat(2,1fr)}.dsbh-flow{grid-template-columns:repeat(2,1fr)}.dsbh-flow article:after{display:none}.dsbh-shapes{grid-template-columns:repeat(3,1fr)}.dsbh-stats{grid-template-columns:repeat(2,1fr)}}\n@media(max-width:620px){.dsbh-section{margin:44px 0}.dsbh-hero,.dsbh-split,.dsbh-cycle,.dsbh-cta{padding:25px 20px}.dsbh-heroimg{min-height:310px;padding:17px}.dsbh-badge{right:18px;bottom:18px}.dsbh-fit,.dsbh-featuregrid,.dsbh-included,.dsbh-flow,.dsbh-shapes{grid-template-columns:1fr}.dsbh-shape{min-height:0}.dsbh-stats{grid-template-columns:1fr 1fr}.dsbh-lead{font-size:17px}.dsbh-table th,.dsbh-table td{padding:13px}.dsbh-btn{width:100%}}\n\u003c\/style\u003e\n\n\u003cdiv class=\"dsbh\"\u003e\u003cdiv class=\"dsbh-wrap\"\u003e\n\n\u003csection class=\"dsbh-section dsbh-hero\"\u003e\n  \u003cdiv\u003e\n    \u003cspan class=\"dsbh-kicker\"\u003eProgrammable electronic keyhole buttonholing · long-tail trim subclass\u003c\/span\u003e\n    \u003ch2\u003eSiruba BH-9820E-01: tailored buttonholes with production-level precision\u003c\/h2\u003e\n    \u003cp class=\"dsbh-lead\"\u003eA specialised two-thread chainstitch machine for programmable keyhole and straight buttonholes in tailoring, menswear and casualwear. Servo-controlled feeding keeps each shape consistent, while electronic pattern setup, automatic cutting, thread trimming and clamp lifting turn a complex garment operation into a repeatable production cycle.\u003c\/p\u003e\n    \u003cul class=\"dsbh-benefits\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eKeyhole buttonholes from 8–42mm\u003c\/strong\u003e and straight buttonholes from 5–42mm\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eProgrammable shape, stitch, cutting and bartack settings\u003c\/strong\u003e from the LCD control panel\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eLong-tail trimming of both needle and bobbin threads\u003c\/strong\u003e for the -01 production workflow\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eUp to 2,500 stitches per minute\u003c\/strong\u003e with precise servo\/stepper-controlled feeding\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eAutomatic trim, thread clamp, presser-foot lift and needle positioning\u003c\/strong\u003e reduce repeated handling\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cdiv class=\"dsbh-buttons\"\u003e\n\u003ca class=\"dsbh-btn\" href=\"\/pages\/contact\"\u003eRequest a Consultation \u0026amp; Quote\u003c\/a\u003e\u003ca class=\"dsbh-btn alt\" href=\"#dsbh-specs\"\u003eView Specifications\u003c\/a\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"dsbh-heroimg\"\u003e\n    \u003cimg src=\"https:\/\/siruba.com\/wp-content\/uploads\/2024\/11\/BH-9820_Computer-controlled-machine_photo.png\" alt=\"Siruba BH-9820E-01 programmable electronic keyhole buttonhole sewing machine\" loading=\"eager\"\u003e\n    \u003cspan class=\"dsbh-badge\"\u003eBH-9820E-01 · keyhole specialist\u003c\/span\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"dsbh-stats\" aria-label=\"Siruba BH-9820E-01 key specifications\"\u003e\n  \u003cdiv class=\"dsbh-stat\"\u003e\n\u003cstrong\u003e2,500 sti\/min\u003c\/strong\u003e\u003cspan\u003eMaximum sewing speed\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"dsbh-stat\"\u003e\n\u003cstrong\u003e8–42mm\u003c\/strong\u003e\u003cspan\u003eKeyhole buttonhole length\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"dsbh-stat\"\u003e\n\u003cstrong\u003e5–42mm\u003c\/strong\u003e\u003cspan\u003eStraight buttonhole length\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"dsbh-stat\"\u003e\n\u003cstrong\u003e550W\u003c\/strong\u003e\u003cspan\u003eAC servo upper-shaft motor\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"dsbh-section dsbh-cycle\"\u003e\n  \u003cspan class=\"dsbh-kicker\"\u003eOne complete buttonhole cycle\u003c\/span\u003e\n  \u003ch2\u003ePosition the garment—the machine controls the repeatable detail\u003c\/h2\u003e\n  \u003cp class=\"dsbh-lead\" style=\"color:#dbe4e5\"\u003eKeyhole buttonholes combine shaped feeding, dense chainstitch overedge sewing, reinforcement and a precisely positioned cut. The BH-9820E-01 coordinates those stages electronically for consistent production.\u003c\/p\u003e\n  \u003cdiv class=\"dsbh-flow\"\u003e\n    \u003carticle\u003e\u003ch3\u003eSelect the pattern\u003c\/h3\u003e\n\u003cp\u003eRecall the required keyhole or straight style and set its length, width, pitch, bartack and cutting sequence.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle\u003e\u003ch3\u003ePosition and clamp\u003c\/h3\u003e\n\u003cp\u003eAlign the garment component and activate the work clamp using the configured start control.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle\u003e\u003ch3\u003eSew and cut\u003c\/h3\u003e\n\u003cp\u003eServo\/stepper feed forms the programmed shape while the knife cuts before or after sewing as selected.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle\u003e\u003ch3\u003eTrim and release\u003c\/h3\u003e\n\u003cp\u003eBoth threads are trimmed with the -01 long-tail finish, and the clamp lifts for the next piece.\u003c\/p\u003e\u003c\/article\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"dsbh-section\"\u003e\n  \u003cspan class=\"dsbh-kicker\"\u003eProgrammable buttonhole family\u003c\/span\u003e\n  \u003ch2\u003eCreate the shape the garment calls for\u003c\/h2\u003e\n  \u003cp class=\"dsbh-lead\"\u003eThe BH-9820 platform supports eyelet\/keyhole and straight buttonholes with selectable reinforcement styles. Available results depend on the installed knife, hammer, clamp and gauge parts.\u003c\/p\u003e\n  \u003cdiv class=\"dsbh-shapes\"\u003e\n    \u003carticle class=\"dsbh-shape\"\u003e\u003cdiv class=\"dsbh-hole taper\"\u003e\u003c\/div\u003e\n\u003cstrong\u003eTaper bartack\u003c\/strong\u003e\u003cp\u003eA flowing reinforced finish often chosen for tailored keyholes.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-shape\"\u003e\u003cdiv class=\"dsbh-hole bar\"\u003e\u003c\/div\u003e\n\u003cstrong\u003eStraight bartack\u003c\/strong\u003e\u003cp\u003eA defined cross-bar finish at the end of the buttonhole.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-shape\"\u003e\u003cdiv class=\"dsbh-hole roundbar\"\u003e\u003c\/div\u003e\n\u003cstrong\u003eRound bartack\u003c\/strong\u003e\u003cp\u003eA rounded reinforcement profile for selected styles.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-shape\"\u003e\u003cdiv class=\"dsbh-hole\"\u003e\u003c\/div\u003e\n\u003cstrong\u003eNo bartack\u003c\/strong\u003e\u003cp\u003eA clean shaped opening without a programmed end bar.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-shape\"\u003e\u003cdiv class=\"dsbh-hole straight\"\u003e\u003c\/div\u003e\n\u003cstrong\u003eStraight buttonhole\u003c\/strong\u003e\u003cp\u003eNon-eyelet buttonhole patterns from 5–42mm.\u003c\/p\u003e\u003c\/article\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"dsbh-alert\"\u003e\n\u003cstrong\u003eGauge parts define the physical cut:\u003c\/strong\u003e software controls pattern geometry and knife position compensation, but the installed knife, hammer\/anvil, clamp and gauge set must match the required buttonhole. Optional round holes require the appropriate parts.\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"dsbh-section\"\u003e\n  \u003cspan class=\"dsbh-kicker\"\u003eWhere the -01 earns its place\u003c\/span\u003e\n  \u003ch2\u003eDesigned for garments where the buttonhole is part of the tailoring\u003c\/h2\u003e\n  \u003cdiv class=\"dsbh-fit\"\u003e\n    \u003carticle class=\"dsbh-card\"\u003e\u003ch3\u003eMen’s tailoring\u003c\/h3\u003e\n\u003cp\u003eJackets, waistcoats, coats and trousers requiring consistent keyhole or straight buttonholes.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-card\"\u003e\u003ch3\u003eSuit production\u003c\/h3\u003e\n\u003cp\u003eProgrammable repeatability for production lines, tailoring rooms and short-run manufacturing.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-card\"\u003e\u003ch3\u003eCasualwear\u003c\/h3\u003e\n\u003cp\u003eStructured shirts, overshirts, jackets and trousers with varied button sizes and hole styles.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-card\"\u003e\u003ch3\u003eOuterwear\u003c\/h3\u003e\n\u003cp\u003eCoats and structured garments where a rounded eye distributes strain around the button shank.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-card\"\u003e\u003ch3\u003eUniforms\u003c\/h3\u003e\n\u003cp\u003eConsistent, professional openings across repeated garments, sizes and production batches.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-card\"\u003e\u003ch3\u003eWorkwear\u003c\/h3\u003e\n\u003cp\u003eSelected workwear applications after confirming the material stack, gauge and trim requirement.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-card\"\u003e\u003ch3\u003eShort production runs\u003c\/h3\u003e\n\u003cp\u003eQuick electronic pattern changes reduce mechanical adjustment when styles vary through the day.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-card\"\u003e\u003ch3\u003eSample rooms\u003c\/h3\u003e\n\u003cp\u003eBuild and refine production-ready buttonhole specifications before bulk manufacture.\u003c\/p\u003e\u003c\/article\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"dsbh-alert red\"\u003e\n\u003cstrong\u003eA dedicated production machine:\u003c\/strong\u003e the BH-9820E-01 only makes programmed eyelet\/keyhole, straight and compatible round-hole operations. It does not replace a plain sewer or a domestic buttonhole machine for general sewing.\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"dsbh-section\"\u003e\n  \u003cspan class=\"dsbh-kicker\"\u003eWhy electronic control matters\u003c\/span\u003e\n  \u003ch2\u003eChange the style without rebuilding the machine for every pattern\u003c\/h2\u003e\n  \u003cdiv class=\"dsbh-featuregrid\"\u003e\n    \u003carticle class=\"dsbh-feature\"\u003e\u003cstrong\u003eServo-controlled pattern feed\u003c\/strong\u003e\u003cp\u003eThree stepper motors control X, Y and rotational movement, keeping the programmed outline accurate at production speed.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-feature\"\u003e\u003cstrong\u003eProgrammable dimensions\u003c\/strong\u003e\u003cp\u003eSet buttonhole length, stitch pitch, overedge width, eyelet size and bartack details around the garment specification.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-feature\"\u003e\u003cstrong\u003eSelectable cut timing\u003c\/strong\u003e\u003cp\u003eChoose cutting before or after sewing according to the material, finish and production method.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-feature\"\u003e\u003cstrong\u003eKnife position compensation\u003c\/strong\u003e\u003cp\u003eMake precise knife-spacing and position corrections through the panel instead of relying only on mechanical adjustment.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-feature\"\u003e\u003cstrong\u003eMulti-language LCD display\u003c\/strong\u003e\u003cp\u003eIcons and characters make pattern selection, checking and mode changes easier for the operator to understand.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-feature\"\u003e\u003cstrong\u003eLower noise and vibration\u003c\/strong\u003e\u003cp\u003eSpecially processed gears and cams are designed to reduce vibration and lower measured noise versus earlier construction.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-feature\"\u003e\u003cstrong\u003eImproved thread handling\u003c\/strong\u003e\u003cp\u003eUpdated looper, take-up and bobbin-thread clamping help reduce skipped stitches and unstable thread tails.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-feature\"\u003e\u003cstrong\u003eAutomatic work handling\u003c\/strong\u003e\u003cp\u003eThread trimming, electronic thread clamping, presser-foot lifting and needle positioning support a smooth cycle.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-feature\"\u003e\u003cstrong\u003eIntegrated LED light\u003c\/strong\u003e\u003cp\u003eFocused illumination makes alignment marks, the clamp area and sewn result easier to inspect.\u003c\/p\u003e\u003c\/article\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"dsbh-alert green\"\u003e\n\u003cstrong\u003eBest for varied production:\u003c\/strong\u003e electronic pattern recall is especially valuable when the workroom changes between jacket fronts, lapels, sleeves, coats and trousers rather than running one fixed buttonhole all season.\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"dsbh-section dsbh-split\"\u003e\n  \u003cdiv class=\"dsbh-media\"\u003e\u003cimg src=\"https:\/\/sirubaeurope.com\/wp-content\/uploads\/2019\/10\/BH-9820-2.jpg\" alt=\"Siruba BH-9820 electronic keyhole buttonhole machine LCD control panel\" loading=\"lazy\"\u003e\u003c\/div\u003e\n  \u003cdiv\u003e\n    \u003cspan class=\"dsbh-kicker\"\u003eOperator-friendly programming\u003c\/span\u003e\n    \u003ch2\u003eSee the pattern and settings before the knife ever reaches the garment\u003c\/h2\u003e\n    \u003cp\u003eThe graphical LCD panel helps the operator select a stored pattern, review its dimensions, adjust speed and work through test or manual modes before production begins.\u003c\/p\u003e\n    \u003cul class=\"dsbh-checks\"\u003e\n\u003cli\u003eIcon and character-based pattern display\u003c\/li\u003e\n\u003cli\u003eAutomatic, test, manual, cycle and program modes\u003c\/li\u003e\n\u003cli\u003eButtonhole length and stitch-density control\u003c\/li\u003e\n\u003cli\u003eBartack type and dimension settings\u003c\/li\u003e\n\u003cli\u003eKnife-before or knife-after selection\u003c\/li\u003e\n\u003cli\u003eKnife-spacing and position compensation\u003c\/li\u003e\n\u003cli\u003eSewing-speed setting from 1,000–2,500 stitches\/min\u003c\/li\u003e\n\u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"dsbh-section\"\u003e\n  \u003cspan class=\"dsbh-kicker\"\u003eUnderstand the -01 trim\u003c\/span\u003e\n  \u003ch2\u003eBoth threads are cut—with useful tails left for secure production handling\u003c\/h2\u003e\n  \u003cp class=\"dsbh-lead\"\u003eThe BH-9820E-01 is the long-tail subclass. It trims both the needle and bobbin threads but intentionally leaves longer ends than the -02 short-trim configuration.\u003c\/p\u003e\n  \u003cdiv class=\"dsbh-featuregrid\"\u003e\n    \u003carticle class=\"dsbh-feature\"\u003e\u003cstrong\u003eWhy longer tails?\u003c\/strong\u003e\u003cp\u003eThey give the operator or subsequent process more thread to hold and manage, supporting secure handling through tailoring operations.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-feature\"\u003e\u003cstrong\u003eWhat it does not mean\u003c\/strong\u003e\u003cp\u003e“Automatic trim” does not promise an ultra-close cosmetic finish. A secondary finishing trim may be part of the workroom method.\u003c\/p\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-feature\"\u003e\u003cstrong\u003eWhy choose -01?\u003c\/strong\u003e\u003cp\u003eIt combines versatile 5–42mm straight and 8–42mm eyelet ranges with trimming of both threads for menswear and casualwear.\u003c\/p\u003e\u003c\/article\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"dsbh-alert\"\u003e\n\u003cstrong\u003eSubclass choice matters:\u003c\/strong\u003e the -02 is the short-thread-trim jeans\/trouser specification with different gauge-length ranges. Confirm the required thread-tail finish, buttonhole length and material stack before ordering.\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"dsbh-section\"\u003e\n  \u003cspan class=\"dsbh-kicker\"\u003eInstallation is part of the purchase\u003c\/span\u003e\n  \u003ch2\u003ePlan power, compressed air, access and operator setup before delivery\u003c\/h2\u003e\n  \u003cdiv class=\"dsbh-included\"\u003e\n    \u003carticle class=\"dsbh-item special\"\u003e\u003cstrong\u003eCompressed air\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eClean, regulated external air supply required\u003c\/li\u003e\n\u003cli\u003eMain regulator: 0.5MPa\u003c\/li\u003e\n\u003cli\u003eHammer regulator: 0.4MPa\u003c\/li\u003e\n\u003cli\u003eRated consumption: 43.2L\/min at 8 cycles\/min\u003c\/li\u003e\n\u003cli\u003eCompressor and air treatment to be confirmed\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-item special\"\u003e\u003cstrong\u003eElectrical \u0026amp; workspace\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e550W AC servo upper-shaft motor\u003c\/li\u003e\n\u003cli\u003e400VA control-system specification\u003c\/li\u003e\n\u003cli\u003eExact NZ supply version must be confirmed\u003c\/li\u003e\n\u003cli\u003eMachine head approximately 120kg\u003c\/li\u003e\n\u003cli\u003eAllow safe access for installation and service\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/article\u003e\n    \u003carticle class=\"dsbh-item\"\u003e\u003cstrong\u003eProduction setup\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eConfirm knife and hammer\/anvil length\u003c\/li\u003e\n\u003cli\u003eConfirm clamp and gauge set\u003c\/li\u003e\n\u003cli\u003eConfirm required hole shapes and trim tails\u003c\/li\u003e\n\u003cli\u003eSupply garment samples and production thread\u003c\/li\u003e\n\u003cli\u003eArrange operator training and test sew-off\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/article\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"dsbh-alert red\"\u003e\n\u003cstrong\u003eThis is a consultative industrial purchase:\u003c\/strong\u003e the compressor, electrical variant, table\/stand configuration, knives, hammers, clamps, gauge parts, options, freight and commissioning should be specified against your actual garments before the quotation is finalised.\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"dsbh-section\"\u003e\n  \u003cspan class=\"dsbh-kicker\"\u003eChoose the correct BH-9820 subclass\u003c\/span\u003e\n  \u003ch2\u003eThe -01 balances pattern range with upper and lower long-tail trimming\u003c\/h2\u003e\n  \u003cdiv class=\"dsbh-compare\"\u003e\n    \u003ctable class=\"dsbh-table\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eBH-9820E-00\u003c\/th\u003e\n\u003cth class=\"current\"\u003eBH-9820E-01\u003cbr\u003ethis machine\u003c\/th\u003e\n\u003cth\u003eBH-9820E-02\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003ePrimary application\u003c\/th\u003e\n\u003ctd\u003eSuiting and womenswear; extended buttonhole length\u003c\/td\u003e\n\u003ctd class=\"dsbh-current\"\u003eMenswear, tailoring and casualwear\u003c\/td\u003e\n\u003ctd\u003eJeans, trousers and workwear\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eNeedle-thread trim\u003c\/th\u003e\n\u003ctd\u003eLong tail\u003c\/td\u003e\n\u003ctd class=\"dsbh-current\"\u003eLong tail\u003c\/td\u003e\n\u003ctd\u003eShort tail\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBobbin-thread trim\u003c\/th\u003e\n\u003ctd\u003eNo automatic lower-thread trim\u003c\/td\u003e\n\u003ctd class=\"dsbh-current\"\u003eLong tail\u003c\/td\u003e\n\u003ctd\u003eShort tail\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eKeyhole length\u003c\/th\u003e\n\u003ctd\u003e8–50mm\u003c\/td\u003e\n\u003ctd class=\"dsbh-current\"\u003e8–42mm\u003c\/td\u003e\n\u003ctd\u003eSelected gauge ranges from 14–42mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eStraight-hole length\u003c\/th\u003e\n\u003ctd\u003eUp to 50mm\u003c\/td\u003e\n\u003ctd class=\"dsbh-current\"\u003e5–42mm\u003c\/td\u003e\n\u003ctd\u003eGauge-specific ranges\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eChoose it when\u003c\/th\u003e\n\u003ctd\u003eThe longest 50mm range matters more than lower-thread trimming\u003c\/td\u003e\n\u003ctd class=\"dsbh-current\"\u003eYou want versatile menswear lengths and automatic trimming of both threads with manageable tails\u003c\/td\u003e\n\u003ctd\u003eShort thread tails and jeans\/trouser production are the priority\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n  \u003cp class=\"dsbh-small\"\u003eSubclass availability and E-series configuration can vary by market. Direct Sewing will confirm the exact supplied specification before order.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"dsbh-section\" id=\"dsbh-specs\"\u003e\n  \u003cspan class=\"dsbh-kicker\"\u003eTechnical specifications\u003c\/span\u003e\n  \u003ch2\u003eSiruba BH-9820E-01 at a glance\u003c\/h2\u003e\n  \u003cdiv class=\"dsbh-spec\"\u003e\n    \u003cdiv class=\"dsbh-compare\"\u003e\n      \u003ctable class=\"dsbh-table\"\u003e\u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eSiruba BH-9820E-01\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMachine type\u003c\/th\u003e\n\u003ctd\u003eDirect-drive programmable electronic eyelet\/keyhole buttonholing machine\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eStitch formation\u003c\/th\u003e\n\u003ctd\u003eTwo-thread chainstitch buttonhole overedge formation\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePrimary application\u003c\/th\u003e\n\u003ctd\u003eMenswear, tailoring, suiting and casualwear\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eKeyhole \/ round-head sewing length\u003c\/th\u003e\n\u003ctd\u003e8–42mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eStraight buttonhole sewing length\u003c\/th\u003e\n\u003ctd\u003e5–42mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSewing shapes\u003c\/th\u003e\n\u003ctd\u003eKeyhole and straight patterns with no bartack, taper bartack, straight bartack, round bartack and compatible circular-stitch options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaximum sewing speed\u003c\/th\u003e\n\u003ctd\u003e2,500 stitches per minute\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSpeed setting range\u003c\/th\u003e\n\u003ctd\u003e1,000–2,500 stitches per minute, adjustable in programmed settings\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eStitch pitch\u003c\/th\u003e\n\u003ctd\u003e0.5–2.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eOveredge \/ zigzag width\u003c\/th\u003e\n\u003ctd\u003e1.5–5.0mm electronic adjustment range; 4.0mm mechanical maximum plus compensation to 5.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFactory overedge width\u003c\/th\u003e\n\u003ctd\u003e2.5mm for the -01 general menswear specification\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTaper-bartack length\u003c\/th\u003e\n\u003ctd\u003e0–20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWork-clamp lift\u003c\/th\u003e\n\u003ctd\u003e12mm standard; configuration up to 16mm possible\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eStandard presser-foot length\u003c\/th\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eStandard hammer\/anvil length\u003c\/th\u003e\n\u003ctd\u003e22mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAccessory hammer\/anvil length\u003c\/th\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFeed mechanism\u003c\/th\u003e\n\u003ctd\u003eIntermittent programmable feed controlled by three stepper motors: X, Y and rotational θ\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eNeedle system\u003c\/th\u003e\n\u003ctd\u003eDO × 558, Nm80–Nm120\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eNeedle-thread trimming\u003c\/th\u003e\n\u003ctd\u003eAutomatic long-tail trim\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBobbin-thread trimming\u003c\/th\u003e\n\u003ctd\u003eAutomatic long-tail trim\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAutomatic functions\u003c\/th\u003e\n\u003ctd\u003eThread trimming, electronic thread clamping, presser-foot lifting and needle positioning\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCutting sequence\u003c\/th\u003e\n\u003ctd\u003eKnife cut before or after sewing, programmable by operation\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eControl panel\u003c\/th\u003e\n\u003ctd\u003eGraphical multi-language LCD with icon and character display\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eUpper-shaft motor\u003c\/th\u003e\n\u003ctd\u003e550W AC servo motor\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAir pressure\u003c\/th\u003e\n\u003ctd\u003eMain regulator 0.5MPa; hammer-pressure regulator 0.4MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eRated air consumption\u003c\/th\u003e\n\u003ctd\u003e43.2L\/min at 8 cycles per minute\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eControl power specification\u003c\/th\u003e\n\u003ctd\u003e400VA; exact NZ electrical version to be confirmed before supply\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSafety\u003c\/th\u003e\n\u003ctd\u003eEmergency-stop function and safety-circuit automatic stop\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eApproximate component weight\u003c\/th\u003e\n\u003ctd\u003eMachine head 120kg; panel 0.6kg; control box 14.2–16.2kg depending on supplied version\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\u003c\/table\u003e\n    \u003c\/div\u003e\n    \u003caside class=\"dsbh-note\"\u003e\u003ch3\u003eConfirm before ordering\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eActual garment and full material stack\u003c\/li\u003e\n\u003cli\u003eKeyhole, straight and round-hole requirements\u003c\/li\u003e\n\u003cli\u003eButtonhole lengths and bartack styles\u003c\/li\u003e\n\u003cli\u003eCut-before or cut-after method\u003c\/li\u003e\n\u003cli\u003eRequired thread-tail finish\u003c\/li\u003e\n\u003cli\u003eKnife, hammer\/anvil and clamp gauges\u003c\/li\u003e\n\u003cli\u003eProduction thread and needle size\u003c\/li\u003e\n\u003cli\u003eCompressed-air capacity and treatment\u003c\/li\u003e\n\u003cli\u003eExact NZ electrical supply version\u003c\/li\u003e\n\u003cli\u003eDelivery access, installation and training\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/aside\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"dsbh-section\"\u003e\n  \u003cspan class=\"dsbh-kicker\"\u003eCare and production reliability\u003c\/span\u003e\n  \u003ch2\u003eProtect the stitch, cut and pattern alignment with disciplined maintenance\u003c\/h2\u003e\n  \u003cul class=\"dsbh-checks\"\u003e\n\u003cli\u003eClean thread waste and lint from the looper, clamp, knife and hammer areas at the intervals required by production volume.\u003c\/li\u003e\n\u003cli\u003eUse only the specified oil and follow Siruba's lubrication schedule and maintenance instructions.\u003c\/li\u003e\n\u003cli\u003eCheck knife and hammer condition whenever cutting becomes ragged, displaced or inconsistent.\u003c\/li\u003e\n\u003cli\u003eReplace damaged or deflected needles promptly and select DO × 558 size for the material and thread.\u003c\/li\u003e\n\u003cli\u003eMaintain clean, dry and correctly regulated compressed air to protect pneumatic components.\u003c\/li\u003e\n\u003cli\u003eTest every new material, interlining, thread and program combination before releasing it to production.\u003c\/li\u003e\n\u003cli\u003eUse a trained industrial technician for timing, knife alignment, electronics, pneumatics and servo\/stepper service.\u003c\/li\u003e\n\u003c\/ul\u003e\n  \u003cdiv class=\"dsbh-buttons\" style=\"margin-top:22px\"\u003e\n\u003ca class=\"dsbh-btn alt\" href=\"https:\/\/siruba.com\/wp-content\/uploads\/2024\/12\/BH-9820-Series-20240513-s.pdf\" target=\"_blank\" rel=\"noopener\"\u003eOpen Official Siruba Brochure\u003c\/a\u003e\u003ca class=\"dsbh-btn alt\" href=\"\/pages\/contact\"\u003eDiscuss Your Application\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"dsbh-section\"\u003e\n  \u003cspan class=\"dsbh-kicker\"\u003eFrequently asked questions\u003c\/span\u003e\n  \u003ch2\u003eSiruba BH-9820E-01 questions answered\u003c\/h2\u003e\n  \u003cdiv class=\"dsbh-faq\"\u003e\n    \u003cdetails open\u003e\u003csummary\u003eWhat does the Siruba BH-9820E-01 do?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eIt automatically sews and cuts programmable keyhole\/eyelet and straight buttonholes using a specialised two-thread chainstitch formation. The operator positions the garment and selects the program; the machine controls the shaped feed, stitching, cut, thread trim and clamp cycle.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat is a keyhole buttonhole?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eIt has a rounded eye at one end of a narrow slit. The eye gives the button shank room to sit and helps distribute strain, which is why keyholes are common on tailored jackets, coats, waistcoats and trousers.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat does the “-01” subclass mean?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eThe -01 specification is aimed primarily at menswear and casualwear. It covers keyholes from 8–42mm and straight holes from 5–42mm, and automatically trims both needle and bobbin threads with longer tails.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat is different about the BH-9820E version?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eThe E-series adds the current electronic operator package described by Siruba, including automatic thread trimming, electronic thread clamping, automatic presser-foot lifting, needle positioning, LED lighting and LCD control. Exact regional configuration is confirmed at quotation.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat buttonhole lengths can it sew?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eThe -01 specification covers keyhole\/round-head buttonholes from 8–42mm and straight buttonholes from 5–42mm, subject to the installed knife, hammer, clamp and gauge parts.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eCan it sew straight buttonholes as well as keyholes?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eYes. The programmed sewing range includes straight non-eyelet buttonholes. The physical cutting parts must match the intended hole.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eCan it sew round holes?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eRound-hole operation is possible on the -01 platform when fitted with the appropriate optional knife, hammer\/anvil and gauge parts. Confirm the required diameter when requesting a quotation.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat bartack styles can it make?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eThe platform supports no bartack, taper, straight and round bartack patterns, plus compatible circular-stitch shapes. The chosen program and installed gauge set determine the final result.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eDoes the machine cut the hole automatically?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eYes. The pneumatic knife and hammer system cuts the opening. Cut-before or cut-after sewing can be selected according to the material and production method.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eDoes it automatically trim the threads?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eYes. The -01 trims both needle and bobbin threads, leaving longer tails than the short-trim -02 specification.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhy does the -01 leave long thread tails?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eLonger tails give the operator or subsequent production process more thread to grip and manage securely. This is a deliberate production specification and may be followed by a cosmetic finishing trim.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat is the maximum speed?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eUp to 2,500 stitches per minute. Sewing speed can be programmed from 1,000–2,500 stitches per minute to suit the material, thread and buttonhole.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eHow does it keep the buttonhole shape accurate?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eThree stepper motors control X, Y and rotational feed movement according to the stored sewing data. This gives the machine precise control over the eye, legs and reinforcement pattern.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eIs the buttonhole size changed electronically?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eMany dimensions and sewing parameters are changed at the LCD panel, but the knife, hammer\/anvil, clamp and gauge set still define important physical limits. A different cut size may require parts as well as a program change.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat fabrics is the -01 intended for?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eIt is positioned for menswear, tailoring, suiting and casualwear. The correct result depends on the complete garment stack—including shell fabric, canvas, interlining, facing and seam allowance—so production samples should be tested.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eCan it sew denim and workwear?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eSelected applications may be possible, but Siruba positions the -02 short-trim subclass specifically for jeans, trousers and workwear. Compare the actual material, hole length and desired thread tails before choosing.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eCan it sew domestic-style shirt buttonholes?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eIt can sew straight industrial buttonholes within the specified range, but it is a specialist chainstitch eyelet-buttonhole platform. For conventional lightweight shirt production, a dedicated lockstitch buttonholer may be a more economical match.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eDoes it require compressed air?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eYes. Siruba specifies 0.5MPa at the main regulator and 0.4MPa at the hammer regulator, with stated consumption of 43.2L\/min at eight cycles per minute. A clean, dry, regulated supply is essential.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eIs a compressor included?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eDo not assume so. Compressor size, receiver, filtration, drying and connections should be specified for the installation and other equipment sharing the air supply. Direct Sewing will confirm what is included in the quotation.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat electrical supply does it need in New Zealand?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eThe BH-9820 platform is manufactured in several voltage configurations. Direct Sewing must confirm the exact NZ-supplied version and site requirements before installation; do not arrange electrical work from a generic overseas specification.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhich needle system does it use?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eDO × 558 needles in sizes Nm80–Nm120 are specified. Needle size, thread and point must be selected for the garment stack and buttonhole program.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eDoes it come with every knife and clamp?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eNo single setup covers every possible length, cut and round-hole size. The quotation should list the standard installed gauge and any additional knives, hammers\/anvils, clamps or optional parts required for your garments.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eCan operators store different buttonhole programs?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eYes. The electronic system is intended for programmable pattern setup and rapid recall, making the machine well suited to short runs and mixed garment styles.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eHow large and heavy is the machine?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eThe machine head alone is approximately 120kg, with a separate control box and full industrial workstation. Delivery access, floor position, unloading and installation must be planned in advance.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eCan we send samples before buying?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eYes—and for this class of machine, that is strongly recommended. Supply complete production stacks, the proposed thread, button size, required hole dimensions and an approved finish sample where possible.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eIs training and commissioning required?\u003c\/summary\u003e\u003cdiv class=\"dsbh-answer\"\u003e\u003cp\u003eProfessional setup and operator training are strongly recommended. Pattern programming, gauge selection, thread handling, knife alignment, pneumatic settings and daily cleaning all affect the production result.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"dsbh-section dsbh-cta\"\u003e\n  \u003ch2\u003eSpecify the buttonhole before you specify the machine\u003c\/h2\u003e\n  \u003cp\u003eSend Direct Sewing your garment samples, button dimensions, required keyhole styles, thread and expected daily volume. The team can then confirm whether the BH-9820E-01 is the right subclass and quote the correct gauges, air requirements, delivery and setup.\u003c\/p\u003e\n  \u003cdiv class=\"dsbh-buttons\" style=\"justify-content:center\"\u003e\u003ca class=\"dsbh-btn\" href=\"\/pages\/contact\"\u003eRequest a Specialist Consultation\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c\/div\u003e\u003c\/div\u003e\n","brand":"Siruba","offers":[{"title":"Default Title","offer_id":48370700812509,"sku":"BH-9820E-01","price":15999.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/3324\/files\/maxresdefault-3.jpg?v=1786677235","url":"https:\/\/www.directsewing.co.nz\/products\/siruba-bh-9820e-01-electronic-keyhole-buttonhole-machine","provider":"Direct Sewing Machines \u0026 Supplies","version":"1.0","type":"link"}