Two needles, four threads
The SF-700D specification row lists a two-needle, four-thread configuration.
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SAFE · Industrial Sewing
SF-700D Four-Thread Direct-Drive Overlock Sewing Machine
A two-needle, four-thread direct-drive overlock machine with a 4 mm overedge width and a 6,000 rpm catalogue maximum for model-specific garment sewing enquiries.
Machine configuration
What distinguishes SF-700D
Direct-drive machine
The catalogue identifies an integrated direct-drive layout. Discuss voltage and the supplied controller before ordering.
Differential feed
The listed differential ratio is 0.7–2, with a 5.5 mm presser-foot lift.
Clearly defined seam dimensions
The table lists a 4 mm overedge width and a 3.6 mm stitch-length value. Confirm the supplied adjustment and setup for your seam.
Material & operation
Discuss the seam before choosing the configuration.
- Four-thread overlock operations in garment production.
- Buyers comparing two-needle overlock configurations for their fabric and seam requirements.
- Dealer supply orders that require a defined model, thread count and scope of supply.
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-700D specifications
Source: SAFE v06 catalogue, printed page 6.
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-700D |
|---|---|
| Machine type | Direct-drive overlock |
| Needles / threads | 2 / 4 |
| Needle system | DC×27 #9–14 |
| Overedge width | 4 mm |
| Stitch length (catalogue value) | 3.6 mm |
| Differential feed ratio | 0.7–2 |
| Presser-foot lift | 5.5 mm |
| Maximum speed | 6,000 rpm |
| Packing dimensions | 470 × 330 × 480 mm |
| Net / gross weight | 23.5 / 32 kg |
Before you choose
Questions about SF-700D
How many threads does the SF-700D use?
The catalogue specifies two needles and four threads.
How does it compare with the SF-747D-4?
Both are listed as two-needle, four-thread machines. The SF-700D maximum is 6,000 rpm; the SF-747D-4 maximum is 6,500 rpm. Compare the full configuration and seam sample, not speed alone.
Are automatic trimming functions included?
The SF-700D entry identifies direct drive but does not confirm automatic trimming. Ask for the required functions to be stated in the quotation.
Compare configurations
Related SAFE sewing machines
Overlock
SF-747D-4
4 Thread Industrial Overlock Machine
Overedge joining and edge finishing on garment panels.
Industrial Overlock
SF-K7-4D
Direct-Drive Overlock Machine with Automatic Trimming
Talk to Trentzhou
Request a SF-700D quotation.
Minimum order: one machine. One-year warranty, spare-parts supply and remote technical support are available.
trentzhou@millionindustry.com · WhatsApp +86 18757430046