Lockstitch comparison
JACK S5 vs JACK Z7: which lockstitch machine should you buy?
A side-by-side look at two lockstitch machines from our catalog: the specifications each one lists, where they differ, and which kind of production each suits.
JACK S5
Computerized post-bed roller-feed machine with a built-in panel, QR-code software upgrades and a 100% stitch-overlap ratio.
JACK Z7
Heavy-duty computerized lockstitch machine with triple transport — needle feed plus top and bottom feed together — controlled from a full digital touch panel, for sofas, car seats, luggage and heavy leather goods.
Key differences
- Series: JACK S5 — Post bed; JACK Z7 — Heavy-Duty, triple transport.
- Best for: JACK S5 — Shirts, suits, pants, down jackets; JACK Z7 — Sofa, car seat, luggage, heavy leather goods.
- Availability: JACK S5 — Order on request; JACK Z7 — Order on request. Call to confirm today's stock.
Specifications side by side
| Specification | JACK S5 | JACK Z7 |
|---|---|---|
| Series | Post bed | Heavy-Duty, triple transport |
| Needle | INDPX5#16 | — |
| Max sewing speed | Up to 3000 s.p.m. | — |
| Best for | Shirts, suits, pants, down jackets | Sofa, car seat, luggage, heavy leather goods |
| Availability | Order on request | Order on request |
| Feed | — | Needle feed + top feed + bottom feed (triple transport) |
| Controls | — | Full digital touch panel |
Highlighted rows differ. A dash means the catalog does not list that specification for the machine; ask us and we will confirm it.
Which one fits your work?
Choose the JACK S5 if…
Computerized post-bed roller-feed machine with a built-in panel, QR-code software upgrades and a 100% stitch-overlap ratio.
- Post-bed design
- Runs up to 3000 s.p.m.
Choose the JACK Z7 if…
Heavy-duty computerized lockstitch machine with triple transport — needle feed plus top and bottom feed together — controlled from a full digital touch panel, for sofas, car seats, luggage and heavy leather goods.
- Triple transport feed
- Full digital touch panel
Swami Enterprises is an authorized JACK dealer and importer. Bring your own fabric to the Chanakya Place showroom and sew on both before you decide.
Questions buyers ask
What is the difference between the JACK S5 and the JACK Z7?
Series: JACK S5 — Post bed; JACK Z7 — Heavy-Duty, triple transport. Best for: JACK S5 — Shirts, suits, pants, down jackets; JACK Z7 — Sofa, car seat, luggage, heavy leather goods. Availability: JACK S5 — Order on request; JACK Z7 — Order on request. Call to confirm today's stock.
Which is better, the JACK S5 or the JACK Z7?
It depends on your fabric, operation and daily volume. The JACK S5 is described as: Computerized post-bed roller-feed machine with a built-in panel, QR-code software upgrades and a 100% stitch-overlap ratio. The JACK Z7 is described as: Heavy-duty computerized lockstitch machine with triple transport — needle feed plus top and bottom feed together — controlled from a full digital touch panel, for sofas, car seats, luggage and heavy leather goods.
What is the price of the JACK S5 and the JACK Z7?
Prices depend on the model, quantity and the day. Call +91 99713 36656 or request a quote for today's price on either machine.
Can I see both machines before buying?
Yes. Visit the showroom at Chanakya Place, New Delhi. Call +91 99713 36656 first so the team can confirm which models are on display and in stock.
Not sure which to pick?
Tell us your fabric, operation and daily volume. A specialist will recommend one, with today's price.