Juki MB-1370 Series Single-thread Chainstitch Button Sewing Machine
The sophisticated-form machine with excellent operability and productivity.
The single-thread, chainstitch, button sewing machine, which is frequently used for sewing buttons on men’s wear and blouses under different sewing conditions, has been redesigned with its capabilities upgraded.
Description
High-Speed Single-Thread Chainstitch
The Juki MEB-1370 Button Machine provides precise single-thread chainstitching for industrial button sewing. Operators benefit from consistent stitch quality across light to heavy fabrics. The machine reduces sewing time while maintaining strong, durable stitches. Its advanced chainstitch mechanism adapts easily to different button sizes and materials, making it ideal for factories, tailoring units, and mass-production environments.
Thread-fray-prevention ON/OFF changeover mechanism
The machine is provided as standard with a “thread-fray-prevention ON/OFF changeover mechanism” to help produce beautiful seams with added durability.

Speedy Sewing
The machine sews buttons using the optimum number of stitches—8, 16, or 32—based on the sewing conditions.
Attachments
You can use the attachments from your conventional machines without any modifications.
Quick Stitch Shape Change (MB-1377)
Operators can quickly change the stitch shape between two button-hole configurations by operating the lever.
Dual Button Sewing (MB-1377)
This machine can sew two different types of buttons, saving space and increasing overall production availability.
Specification
| Model name | MB-1373 | MB-1377 | ||
|---|---|---|---|---|
| Max. sewing speed | 1,500sti/min* | |||
| Number of stitches | 8,16 and 32 stitches | |||
| Needle (at the time of delivery) | TQ×1(#16)#14~20 | |||
| Feed length (crosswise feed) | 2.5~6.5mm | |||
| Feed length (lengthwise feed) | 0~6.5mm | 0~4.5mm | ||
| Stitching shape | ![]() |
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| Thread-fray-prevention ON / OFF changeover mechanism | Provided as standard | |||
| Stitching shape changeover type | – | Lever change-over type | ||
| Applicable button | Round-shaped flat button (2-holed, 4-holed) | |||
| Shank button, Wrapped-around button, Snap, Label, Metal button, Stay button (exclusive attachments have to be used) | ||||
| Button size | φ10~28mm | |||
| Thickness of button | 1.8~3.5mm (options max. 5mm) | |||
| Needle bar stroke | 48.6mm | |||
| Lift of the presser foot | 9mm | |||
| Sewing system | Single thread chainstitch | |||
| Lubrication | By an oiler | |||
| Lubricating oil | JUKI New Defrix Oil No.1 (equivalent to ISO VG7) | |||
| Machine head weight | 24kg | |||
| Power requirement / Motor used | Single- or 3-phase / 200W (1/4HP), General-purpose motor | |||
*”sti/min” stands for “Stitches per Minute.”








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