Overlock
SF-EX5200-4AT
Direct-Drive Overlock Machine with Thread Trimmer
Garment overedge seams requiring thread trimming at the end of the operation.
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SAFE · Overlock
SF-747D-4 4 Thread Industrial Overlock Machine
The SAFE SF-747D-4 is a two-needle, four-thread industrial overlock machine for garment seam and edge operations. Adjustable differential feed and a 4 mm overedge width give buyers a defined starting point for sample testing.
Product features
Built around the sewing operation.
- 01Two needles and four threads distinguish this model from the three-thread and five-thread versions in the 747D range.
- 02Differential ratio of 0.7–2 supports feed adjustment for the material being sewn.
- 03Stitch length is adjustable from 0.5 to 3.8 mm, with a listed 2 mm needle gauge.
- 04Maximum catalogue speed is 6,500 rpm. Choose the running speed around the material and seam requirements.
Applications & catalogue details
Check the material, seam and handling.
- Overedge joining and edge finishing on garment panels.
- Knitwear seams where a two-needle, four-thread construction is specified.
- Repeat garment work requiring control of fabric feeding and seam appearance.
Send a material or finished-seam sample to confirm the configuration. Catalogue examples illustrate the operation; the required result should be agreed before ordering.
Discuss Your Application
Technical data
SF-747D-4 specifications
SAFE v06 catalogue, printed page 06. Confirm the supplied configuration in your quotation.
Maximum speed is a catalogue rating. Actual output depends on material, setup and handling. Packing dimensions, where listed, describe the shipment.
View the SAFE Catalogue| Model | SF-747D-4 |
|---|---|
| Needles / threads | 2 / 4 |
| Needle system | DC×27 #9–14 |
| Needle gauge | 2 mm |
| Overedge width | 4 mm |
| Stitch length | 0.5–3.8 mm |
| Differential feed ratio | 0.7–2 |
| Presser-foot lift | 5.5 mm |
| Maximum speed | 6,500 rpm |
| Packing dimensions | 470 × 330 × 480 mm |
| Net / gross weight | 23.5 / 32 kg |
Before you choose
Questions about SF-747D-4
What is the difference between SF-747D-3 and SF-747D-4?
The -3 version lists one needle and three threads. SF-747D-4 has two needles and four threads, a 2 mm needle gauge and a maximum speed of 6,500 rpm.
How should I choose an industrial overlocker for knitwear?
Send the fabric, number of layers, seam drawing and required finished width. Differential feed should be set and assessed using the actual material.
Does this model include automatic thread trimming?
Automatic trimming is not specified for this model in its catalogue table. If trimming is required, compare SF-EX5200-4AT or ask for the exact supplied configuration.
Ordering & technical support
Prepare a configuration-specific enquiry.
Send the model, material, seam or operation, quantity and destination. For automated equipment, include the workpiece dimensions and current handling steps.
From one machineFactories and dealers welcome
1-year warrantySpare-parts supply available
Remote supportSetup and technical assistance
Pakistan officesKarachi and Faisalabad contacts
Compare related models
Find the right configuration.
Talk to Trentzhou
Request a SF-747D-4 quotation.
trentzhou@millionindustry.com · WhatsApp +86 18757430046