Jack Catalogue and specifications
Jack C7 Urus catalogue (PDF)
Jack's catalogue for the C7 Urus, an overlock machine built to sew over cross seams at full speed. T-shirt hems over side seams, cuffs, waistbands and trouser legs all cross other seams, so knitwear, uniform and denim factories meet this every day.
2 pages, Jack Technology Co., Ltd. catalogue, Al Borj edition, October 2026. Free to download, with our contact details on the first and last page. For the AED price, delivery and installation, ask us on WhatsApp; we reply within one working day.
What the Jack C7 Urus catalogue covers
Two pages in English: the front page, then the AI full speed feeding system with the Presser Foot Transformer and Smart Rhino Feeding, and the technical parameter table for builds from 3 to 6 threads, including covered seam and denim versions.
Jack states the presser foot pressure is checked 32,000 times a second, which is how the machine keeps feeding evenly as it climbs a cross seam. Al Borj supplies, installs and services the C7 Urus from Sharjah and Accra.
Machine type: Overlock machine for cross seams.
- Max sewing speed
- 7,000 stitches/min (6,000 on denim versions)
- Stitch length
- 0.8-4.6 mm
- Needles and threads
- 2 needles, 4 threads (C7-4-M03/333)
- Differential ratio
- 0.7-2
- Feed torque
- 9.2 N·m
- Weight
- 33 kg net, 41 kg gross
Figures from the Jack catalogue.
Pages from the Jack C7 Urus catalogue
Jack C7 Urus
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