Lockstitch comparison
JACK JK-58450J 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. Both are used for shirts, wovens, garments.
JACK JK-58450J
Double-needle computerized lockstitch with auto cornering and a large sewing space — built-in presser-foot lifter, one-shaft drive.
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
- Both list the same top speed of 3000 s.p.m.
- Series: JACK JK-58450J — Lockstitch, double needle; JACK S5 — Post bed.
- Needle: JACK JK-58450J — DPx5, multiple gauges; JACK S5 — INDPX5#16.
- Best for: JACK JK-58450J — Umbrella, denim, T-shirt (chain-stitch work); JACK S5 — Shirts, suits, pants, down jackets.
- Availability: JACK JK-58450J — Order on request; JACK S5 — Order on request. Call to confirm today's stock.
Specifications side by side
| Specification | JACK JK-58450J | JACK S5 |
|---|---|---|
| Series | Lockstitch, double needle | Post bed |
| Needle | DPx5, multiple gauges | INDPX5#16 |
| Max sewing speed | Up to 3000 s.p.m. | Up to 3000 s.p.m. |
| Feature | Auto cornering, built-in presser-foot lifter | — |
| Best for | Umbrella, denim, T-shirt (chain-stitch work) | Shirts, suits, pants, down jackets |
| 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 JK-58450J if…
Double-needle computerized lockstitch with auto cornering and a large sewing space — built-in presser-foot lifter, one-shaft drive.
- Auto cornering
- Built-in presser-foot lifter
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 JK-58450J and the JACK S5?
Both list the same top speed of 3000 s.p.m. Series: JACK JK-58450J — Lockstitch, double needle; JACK S5 — Post bed. Needle: JACK JK-58450J — DPx5, multiple gauges; JACK S5 — INDPX5#16.
Which is better, the JACK JK-58450J or the JACK S5?
It depends on your fabric, operation and daily volume. The JACK JK-58450J is described as: Double-needle computerized lockstitch with auto cornering and a large sewing space — built-in presser-foot lifter, one-shaft drive. 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 JK-58450J 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.