Lockstitch comparison
JACK H7 vs MAQI LS640E: 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.
MAQI LS640E
MAQI's LS640E is an electronic top-and-bottom-feed lockstitch machine with an oversized sewing space and a stepper-motor-driven presser foot for a lighter, adjustable lift.
Key differences
- Series: JACK H7 — Heavy-Duty, digitalized top feed; MAQI LS640E — Lockstitch, electronic top-and-bottom feed.
- Availability: JACK H7 — Order on request; MAQI LS640E — Order on request. Call to confirm today's stock.
Specifications side by side
| Specification | JACK H7 | MAQI LS640E |
|---|---|---|
| Series | Heavy-Duty, digitalized top feed | Lockstitch, electronic top-and-bottom feed |
| 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 | — |
| Availability | Order on request | Order on request |
| Sewing space | — | Oversized ("super huge") |
| Presser foot | — | Stepper-motor driven, adjustable lift |
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 MAQI LS640E if…
MAQI's LS640E is an electronic top-and-bottom-feed lockstitch machine with an oversized sewing space and a stepper-motor-driven presser foot for a lighter, adjustable lift.
- Oversized sewing space
- Stepper-motor presser foot
Swami Enterprises is an authorized JACK dealer and importer. Swami Enterprises stocks MAQI machines as a stocking partner. 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 MAQI LS640E?
Series: JACK H7 — Heavy-Duty, digitalized top feed; MAQI LS640E — Lockstitch, electronic top-and-bottom feed. Availability: JACK H7 — Order on request; MAQI LS640E — Order on request. Call to confirm today's stock.
Which is better, the JACK H7 or the MAQI LS640E?
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 MAQI LS640E is described as: MAQI's LS640E is an electronic top-and-bottom-feed lockstitch machine with an oversized sewing space and a stepper-motor-driven presser foot for a lighter, adjustable lift.
What is the price of the JACK H7 and the MAQI LS640E?
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.