
Home / Sewing Machines / SF-781H
SAFE · Buttonhole
SF-781HDirect-Drive Buttonhole Machine with Stepper Foot Lifter
The SF-781H is a direct-drive industrial buttonholer with a gear-type sewing mechanism and stepper-controlled presser-foot lifter. It supports configured buttonhole operations on knit, cotton and synthetic garment materials.
Compare this model with buttonhole & eyelet machines, or use our machine selection enquiry guide to prepare your requirements.
SAFE catalogue product imageProduct advantages
Details that support the operation.
- 01Stepper-controlled automatic presser-foot lifting assists repeated loading.
- 02The catalogue specifies flat and triangular stitch arrangements for buttonhole work.
- 03Buttonhole length, width and stitch count can be adjusted for the required construction.
- 04Automatic lubrication and thread trimming are listed for this model.
Applications & sewing operations
Match the machine to your work.
- Buttonholes in cotton and synthetic garments.
- Knit garment buttonhole operations matched to a tested sample.
- Light to medium-heavy materials within the machine configuration.
Send your material and intended operation for configuration review. Catalogue examples illustrate an application; confirm the required result with a sample.
Technical data
Specifications.
Source: SAFE v06 catalogue, printed page 29. Confirm the supplied configuration in your quotation.
| Needle system | DP×5 #11–14 |
|---|---|
| Needles | 1 |
| Presser-foot lift | 12 mm |
| Maximum speed | 3,600 rpm |
| Buttonhole length | 22 mm, catalogue specification |
| Buttonhole width | 2.5–4 mm |
| Automatic thread trimming | Yes |
| Packing dimensions | 700 × 370 × 530 mm |
| Net / gross weight | 47 / 50 kg |
Before you choose
Questions about this machine.
Can I choose the buttonhole dimensions?
Length, width and stitch count are adjustable within the machine setup. The catalogue lists 22 mm length and 2.5–4 mm width; send the required finished buttonhole and fabric for confirmation.
Does this model include foot lifting?
Yes. SF-781H is described with a stepper-controlled automatic presser-foot lifter. Include any additional handling requirements in your enquiry.
How do I compare this industrial buttonhole machine with an electronic model?
Compare the required buttonhole result, control functions, handling steps and complete model specifications. SF-781H and SF-1790A-DH have different listed arrangements; send the desired buttonhole rather than assuming that their operating controls are interchangeable.
Ordering & after-sales
Support beyond the machine.
Explore the range
Related equipment.
Discuss your SF-781H.
Share your material, operation, quantity and destination with Trentzhou.
