Jack Catalogue and specifications

Jack A4C catalogue (PDF)

Jack's catalogue for the A4C, a direct-drive lockstitch machine with automatic thread trimmer, digital bartack and digital presser foot lift. Garment and uniform lines that switch fabric often use it, because these settings change on the panel rather than by hand.

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.

Jack A4C catalogue, page 2: front page, the A4C with the NTB threading system

What the Jack A4C catalogue covers

Two pages in English: the front page with Jack's NTB threading system, then the NTB system, the features and the technical parameter table for the A4C-C, for thin to medium-thick material at 5,000 spm.

The NTB threading pages are what set this catalogue apart from the A2C. Al Borj supplies, installs and services the A4C from Sharjah and Accra, across the GCC and Africa.

Machine type: Digital lockstitch machine with automatic thread trimmer.

Max sewing speed
5,000 spm
Stitch length
5 mm
Needle
DBx1 11-18#
Height of presser foot
5-13 mm
Weight
36 / 42 kg (net/gross)

Figures from the Jack catalogue.

Pages from the Jack A4C catalogue

Jack A4C catalogue, page 2: front page, the A4C with the NTB threading system
Page 2
Jack A4C catalogue, page 3: the NTB system, features and technical parameters
Page 3

Download the Jack A4C catalogue (PDF, 1.6 MB)