Product features
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.
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 with an optimum number of stitches; 8, 16 or 32, according to the sewing conditions.
Attachments
The attachments used for your conventional machines are applicable as they are.
Stitch shape can quickly be changed over between and button-hole configurations (only for MB-1377)
Stitch shape can easily be changed over between and button-hole configurations only by operating the lever. In addition, this single machine is able to sew two different kinds of buttons to save space and increase availability. (MB-1377)

Specifications
| 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 | ||
| 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."
Catalogue
The MB-1370 Series documents Juki publishes, on their own site. They open in a new tab.
And the catalogues Juki publishes for their whole range.
Apparel General Catalog (PDF)Non-apparel General Catalog (PDF)Essential Parts List
The file is published and updated by the manufacturer; it is not copied here, so nobody downloads an outdated version.
Product information, photographs and specifications: Juki. No prices or stock here: ask us and we will get back to you.
Other button sewing machine models
Tell us the operation you need to solve and we will reply with the right configuration and the lead time.
