B1511-771-0A0 Buttonhole Presser Foot for Juki & Jack Machines
Original price was: ₹500.00.₹299.00Current price is: ₹299.00.
Description
B1511-771-0A0 Work Clamp Presser Foot (Small, Up to 30mm) for Juki & Jack Industrial Buttonhole Machines
The B1511-771-0A0 Buttonhole Presser Foot is a high-quality replacement work clamp presser foot designed for industrial straight buttonhole sewing machines. With a small clamping range of up to 30mm, it securely holds fabric during the buttonhole cutting and stitching process, helping produce clean, uniform buttonholes with excellent repeatability.
Designed for Juki LBH series and compatible Jack JK-781 series buttonhole machines, this work clamp assembly delivers stable fabric control during high-speed operation. It is ideal for garment factories, tailoring units, uniform manufacturers, and sewing workshops that require consistent buttonhole quality.
Please verify the shape, part number, and measurements of your existing work clamp before purchasing.
What You Get With This Buttonhole Presser Foot
This replacement work clamp acts as the upper holding mechanism that presses the fabric firmly against the lower clamp while the machine cuts and stitches the buttonhole in one continuous operation.
Its compact design makes it suitable for producing buttonholes commonly found on:
- Dress shirts
- School uniforms
- Office uniforms
- Formal shirts
- Blouses
- Kidswear
- Lightweight garments
By preventing fabric movement, it helps maintain accurate buttonhole size and neat stitch formation throughout the sewing cycle.
Key Features
- Original type B1511-771-0A0 work clamp presser foot
- Small clamping capacity for buttonholes up to 30mm
- Heavy-duty hardened steel construction
- Excellent anti-slip fabric holding
- Supports accurate knife cutting and stitch formation
- Minimizes fabric puckering and shifting
- Suitable for continuous industrial production
- Precision-machined for reliable performance
- Easy replacement for worn or damaged work clamps
- Pack of 1 Piece
Compatible Sewing Machines
This work clamp presser foot is specifically designed for industrial high-speed mechanical and computerized straight buttonhole sewing machines.
Compatible Juki Models
- Juki LBH-761
- Juki LBH-771
- Juki LBH-780
- Juki LBH-781
- Juki LBH-782
- Juki LBH-783
- Juki LBH-791S
- Juki LBH-791NS
Compatible Jack Models
- Jack JK-781
- Jack JK-T781
Also Compatible With
- Zoje ZJ-781
- Taking TK-781
- Other industrial buttonhole sewing machines using the same mechanical framework
Always compare your existing work clamp with the product image and part number before ordering.
Best Fabric Types
The B1511-771-0A0 work clamp is optimized for light to medium-weight woven fabrics used in garment manufacturing.
Recommended fabrics include:
- Cotton shirting
- Poplin
- Linen
- Polyester blends
- Uniform fabric
- Blouse fabric
- Lightweight woven textiles
The clamp applies even pressure to help prevent distortion while maintaining accurate fabric positioning during the complete buttonhole cycle.
Why Choose This Work Clamp Presser Foot?
Industrial buttonhole machines operate at very high speeds, making accurate fabric holding essential for producing consistent buttonholes.
The B1511-771-0A0 offers:
- Stable fabric clamping
- Consistent buttonhole quality
- Smooth high-speed operation
- Reduced production errors
- Improved stitch accuracy
- Long service life
- Reliable industrial performance
Its hardened steel construction withstands continuous factory use while maintaining dependable clamping force.
Applications
Ideal for manufacturing:
- Dress shirts
- Uniforms
- Corporate apparel
- School uniforms
- Fashion garments
- Blouses
- Children’s clothing
- Textile production
Installation Guide
- Switch off the sewing machine.
- Remove the existing work clamp assembly.
- Install the B1511-771-0A0 work clamp in the correct position.
- Secure all mounting screws.
- Check the clamp movement manually.
- Test sew on scrap fabric before production.
Machine Compatibility Table
| Machine Type | Compatible |
|---|---|
| Juki LBH-761 | ✔ Yes |
| Juki LBH-771 | ✔ Yes |
| Juki LBH-780 | ✔ Yes |
| Juki LBH-781 | ✔ Yes |
| Juki LBH-782 | ✔ Yes |
| Juki LBH-783 | ✔ Yes |
| Juki LBH-791S | ✔ Yes |
| Juki LBH-791NS | ✔ Yes |
| Jack JK-781 | ✔ Yes |
| Jack JK-T781 | ✔ Yes |
| Zoje ZJ-781 | ✔ Yes |
| Taking TK-781 | ✔ Yes |
| Single Needle Lock Stitch Machine | ✘ No |
| TA1 Umbrella Sewing Machine | ✘ No |
Frequently Asked Questions
Is this B1511-771-0A0 work clamp suitable for shirt buttonholes?
Yes. The small clamping range of up to 30mm makes it ideal for dress shirts, school uniforms, blouses, and similar garments requiring standard-sized buttonholes.
Which Juki machines does this fit?
It is compatible with Juki LBH-761, LBH-771, LBH-780, LBH-781, LBH-782, LBH-783, LBH-791S, and LBH-791NS industrial buttonhole sewing machines.
Is it compatible with Jack buttonhole machines?
Yes. It fits Jack JK-781 and JK-T781 models, along with other equivalent industrial buttonhole machines that share the same mechanical framework.
What is the maximum buttonhole size?
This work clamp is designed for buttonholes up to approximately 30mm, making it suitable for standard garment buttonhole production.
What fabrics work best with this clamp?
It is designed for light to medium-weight fabrics including cotton, linen, poplin, polyester blends, blouse fabrics, and uniform textiles.
When should I replace the work clamp?
Replace the clamp if it becomes worn, bent, damaged, or no longer holds fabric securely, as this can affect buttonhole quality and stitch consistency.
