Jack Catalogue and specifications

Jack JK-T1790G catalogue (PDF)

Jack's catalogue for the JK-T1790G computerised buttonhole machine. Shirt, uniform, school wear and workwear factories use the GS build for straight buttonholes on woven fabric, and polo and T-shirt lines use the GK build on knits.

Download the catalogue (PDF, 1.6 MB) Jack JK-T1790G: photos and quote

2 pages, Jack Technology Co., Ltd. catalogue, Al Borj edition, 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.

Jack JK-T1790G catalogue, page 1: front and back cover, the JK-1790G computerised buttonholing machine

What the Jack JK-T1790G catalogue covers

Two pages in English: the cover with the machine, then the features and the specification table for the GS and GK builds. The table also lists the JK-T1791 and JK-T1792 for 70 mm and 120 mm buttonholes.

Jack lists a short thread end build (GSX) and bobbin thread detection (F13) as options. Al Borj supplies, installs and services the JK-T1790G from Sharjah and Accra.

Machine type: Computerised lockstitch buttonhole machine.

Max sewing speed
4,200 stitches/min
Buttonhole size
Up to 25 × 4, 35 × 5 or 41 × 5 mm (JK-T1790), 70 × 5 mm (JK-T1791), 120 × 5 mm (JK-T1792)
Stitch pitch
0.2-2.5 mm
Presser foot lift
17 mm
Weight
66 kg net, 78 kg gross

Figures from the Jack catalogue.

Pages from the Jack JK-T1790G catalogue

Jack JK-T1790G catalogue, page 1: front and back cover, the JK-1790G computerised buttonholing machine
Page 1
Jack JK-T1790G catalogue, page 2: features and specification table
Page 2

Download the Jack JK-T1790G catalogue (PDF, 1.6 MB)

The machine

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