Lockstitch comparison
JACK H7 vs JACK S5: 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 H7
Jack’s current top-feed heavy-duty lockstitch, replacing the older H5/H6 — pierces 10+ layers of leather with a fully digital, 16-level presser foot lift.
JACK S5
Computerized post-bed roller-feed machine with a built-in panel, QR-code software upgrades and a 100% stitch-overlap ratio.
Key differences
- Series: JACK H7 — Heavy-Duty, digitalized top feed; JACK S5 — Post bed.
- Best for: JACK H7 — Sofa, car seat, luggage, gloves, bags, shoes; JACK S5 — Shirts, suits, pants, down jackets.
- Availability: JACK H7 — Order on request; JACK S5 — Order on request. Call to confirm today's stock.
Specifications side by side
| Specification | JACK H7 | JACK S5 |
|---|---|---|
| Series | Heavy-Duty, digitalized top feed | Post bed |
| Motor | 750W integrated motor | — |
| Presser foot lift | 16 adjustable levels, stepper-motor controlled | — |
| Stitch length | 1.3mm – 5.5mm, graduated adjustment | — |
| Material capability | Pierces 10+ layers of leather; handles 8 layers cleanly | — |
| Controls | Digital knee lifter with micro-lift, double-row LED lights | — |
| Best for | Sofa, car seat, luggage, gloves, bags, shoes | Shirts, suits, pants, down jackets |
| Availability | Order on request | Order on request |
| Needle | — | INDPX5#16 |
| Max sewing speed | — | Up to 3000 s.p.m. |
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 H7 if…
Jack’s current top-feed heavy-duty lockstitch, replacing the older H5/H6 — pierces 10+ layers of leather with a fully digital, 16-level presser foot lift.
- 16-level stepper foot lift
- Pierces 10+ leather layers
- 1.3-5.5mm stitch range
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.
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 H7 and the JACK S5?
Series: JACK H7 — Heavy-Duty, digitalized top feed; JACK S5 — Post bed. Best for: JACK H7 — Sofa, car seat, luggage, gloves, bags, shoes; JACK S5 — Shirts, suits, pants, down jackets. Availability: JACK H7 — Order on request; JACK S5 — Order on request. Call to confirm today's stock.
Which is better, the JACK H7 or the JACK S5?
It depends on your fabric, operation and daily volume. The JACK H7 is described as: Jack’s current top-feed heavy-duty lockstitch, replacing the older H5/H6 — pierces 10+ layers of leather with a fully digital, 16-level presser foot lift. 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.
What is the price of the JACK H7 and the JACK S5?
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.