Lockstitch comparison
JACK A2C 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 A2C
Computerized single-needle lockstitch machine with auto thread trimmer, from Jack’s A-series. Ask us for current stock and pricing.
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
- JACK A2C lists an automatic thread trimmer; JACK Z7 does not list one.
- Series: JACK A2C — Lockstitch (A-series); JACK Z7 — Heavy-Duty, triple transport.
- Controls: JACK A2C — Manual bartack lever, knee-operated presser lift; JACK Z7 — Full digital touch panel.
- Feed: JACK A2C — Computerized, auto-trimmer, auto backtack; JACK Z7 — Needle feed + top feed + bottom feed (triple transport).
- Best for: JACK A2C — General garment stitching, production lines; JACK Z7 — Sofa, car seat, luggage, heavy leather goods.
- Availability: JACK A2C — Order on request; JACK Z7 — Order on request. Call to confirm today's stock.
Specifications side by side
| Specification | JACK A2C | JACK Z7 |
|---|---|---|
| Series | Lockstitch (A-series) | Heavy-Duty, triple transport |
| Needle | DBx1, 11-18# | — |
| Number of threads | 2 | — |
| Max stitch length | 5mm | — |
| Presser foot lift (hand/auto) | 13mm / 6mm | — |
| Max sewing speed | 5000 s.p.m. | — |
| Motor | Direct-drive servo, up to 5.5Nm torque | — |
| Controls | Manual bartack lever, knee-operated presser lift | Full digital touch panel |
| Feed | Computerized, auto-trimmer, auto backtack | Needle feed + top feed + bottom feed (triple transport) |
| Best for | General garment stitching, production lines | Sofa, car seat, luggage, heavy leather goods |
| Availability | Order on request | Order on request |
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 A2C if…
Computerized single-needle lockstitch machine with auto thread trimmer, from Jack’s A-series. Ask us for current stock and pricing.
- 5.5Nm direct-drive torque
- Auto trim + auto backtack
- Knee-operated presser lift
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 A2C and the JACK Z7?
JACK A2C lists an automatic thread trimmer; JACK Z7 does not list one. Series: JACK A2C — Lockstitch (A-series); JACK Z7 — Heavy-Duty, triple transport. Controls: JACK A2C — Manual bartack lever, knee-operated presser lift; JACK Z7 — Full digital touch panel.
Which is better, the JACK A2C or the JACK Z7?
It depends on your fabric, operation and daily volume. The JACK A2C is described as: Computerized single-needle lockstitch machine with auto thread trimmer, from Jack’s A-series. Ask us for current stock and pricing. 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 A2C 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.