Automatic handling functions
The catalogue identifies automatic thread trimming and automatic presser-foot lifting for the SF-K7-4D.
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SAFE · Industrial Sewing
SF-K7-4D Direct-Drive Overlock Machine with Automatic Trimming
An integrated direct-drive industrial overlock machine with automatic presser-foot lifting and thread trimming, designed for buyers who want these handling functions alongside differential feed.
Machine configuration
What distinguishes SF-K7-4D
Integrated direct drive
The motor is integrated into the machine. Confirm the electrical specification and supplied controller when requesting a quotation.
Adjustable differential feed
A listed differential ratio of 0.7–2 gives an adjustment range to discuss when preparing a seam sample.
Model-specific configuration
Specify the required stitch and thread configuration with your enquiry. Confirm the supplied setup against your material and seam sample.
Material & operation
Discuss the seam before choosing the configuration.
- Garment edge finishing where automatic trimming and foot lifting are requested.
- Overlock operations requiring a review of differential feed, edge width and stitch length.
- Dealer enquiries that specify machine configuration, electrical supply and table requirements.
Send the model, material, seam sample or process video, quantity and delivery destination. We can then discuss the required configuration and the scope of supply.
Discuss Your ApplicationTechnical data
SF-K7-4D specifications
Source: SAFE v06 catalogue, printed page 1.
Maximum speed is a catalogue rating. Actual operating speed depends on the material and setup. Packing dimensions describe shipment packaging. Confirm the complete supplied configuration in your quotation.
View the SAFE Catalogue| Model | SF-K7-4D |
|---|---|
| Machine type | Integrated direct-drive overlock |
| Automatic functions | Thread trimming; presser-foot lifting |
| Needle system | DC×27 #11 |
| Overedge width | 4 mm |
| Stitch length | 0.6–3.8 mm |
| Differential feed ratio | 0.7–2 |
| Presser-foot lift | 5.5 mm |
| Maximum speed | 7,000 rpm |
| Packing dimensions | 470 × 330 × 480 mm |
| Net / gross weight | 32 / 40 kg |
Before you choose
Questions about SF-K7-4D
Does the SF-K7-4D have automatic thread trimming?
Yes. Its catalogue heading specifies automatic thread trimming and an automatic foot lifter.
How do I specify the stitch configuration?
Send a seam sample or clear seam photo, material information and the required stitch/thread configuration. Ask for the exact configuration to be included in the quotation.
Is the SF-K7-4D the same as the SF-TK7-4AT?
No. They are separately listed models. The SF-TK7-4AT has a different feed-system description; compare its own product page before selecting a machine.
Compare configurations
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Talk to Trentzhou
Request a SF-K7-4D quotation.
Minimum order: one machine. One-year warranty, spare-parts supply and remote technical support are available.
trentzhou@millionindustry.com · WhatsApp +86 18757430046