Two-thread seam
Needle and looper threads form a chainstitch seam. Secure the seam ends appropriately for your application.
Yao Han N320A · Portable bag closing
The Yao Han N320A brings two-thread chainstitch sewing to a portable bag-closing format. Designed for heavy-use bag-closing applications, it is a practical choice for suitable sacks and webbing when your process calls for a two-thread seam.

Needle and looper threads form a chainstitch seam. Secure the seam ends appropriately for your application.
Oil lines deliver lubricant to the main moving parts, supporting routine machine care.
An optional hanger is available. Ask about a suitable support arrangement for repeated work at one packing position.
This model can be set up for UV-resistant bonded polyester thread. Ask us to match the thread and tension to your material.
Choose the needle, thread and operating speed for your material and layers. Gross weight is not the handheld machine weight. Maximum speed is a machine rating; actual output depends on handling and the application.
Use it for suitable paper, hessian and gunny sacks, or compatible webbing. Seam performance depends on the material, thread, tension and finishing method; tell us about your application before choosing a setup.
A chainstitch seam needs appropriate end finishing. Test the completed join on your material before starting a batch.
Plan your setup
Tell us about your bag material, seam thickness and working position. We can help with suitable thread, needles and an optional hanger.
Keep suitable bag-closing thread and the correct replacement needles on hand. Needle systems differ between models; check compatibility when ordering.
Direct Sewing has more than 30 years’ experience selling, servicing and repairing sewing machines. Contact us for help choosing your setup or arranging freight outside Auckland. A one-year return-to-base warranty is included.
For operating instructions or replacement parts, contact us with your model and machine serial number.