Lockstitch comparison
JACK JK-58450J vs JACK JK-8558G: 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 JK-8558G
Power-saving flatbed chain-stitch machine, available in 1, 2 or 3-needle configurations, with a rear puller for umbrella, denim and T-shirt work.
Key differences
- JACK JK-8558G lists the higher top speed: 4000 s.p.m. against 3000 s.p.m.
- Series: JACK JK-58450J — Lockstitch, double needle; JACK JK-8558G — Chain stitch, flatbed.
- Needle: JACK JK-58450J — DPx5, multiple gauges; JACK JK-8558G — TVx7, various gauges, 1/2/3-needle.
- Availability: JACK JK-58450J — Order on request; JACK JK-8558G — Order on request. Call to confirm today's stock.
Specifications side by side
| Specification | JACK JK-58450J | JACK JK-8558G |
|---|---|---|
| Series | Lockstitch, double needle | Chain stitch, flatbed |
| Needle | DPx5, multiple gauges | TVx7, various gauges, 1/2/3-needle |
| Max sewing speed | Up to 3000 s.p.m. | Up to 4000 s.p.m. |
| Feature | Auto cornering, built-in presser-foot lifter | — |
| Best for | Umbrella, denim, T-shirt (chain-stitch work) | Umbrella, denim, T-shirt (chain stitch) |
| 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 JK-8558G if…
Power-saving flatbed chain-stitch machine, available in 1, 2 or 3-needle configurations, with a rear puller for umbrella, denim and T-shirt work.
- 1/2/3-needle configurations
- Runs up to 4000 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 JK-8558G?
JACK JK-8558G lists the higher top speed: 4000 s.p.m. against 3000 s.p.m. Series: JACK JK-58450J — Lockstitch, double needle; JACK JK-8558G — Chain stitch, flatbed. Needle: JACK JK-58450J — DPx5, multiple gauges; JACK JK-8558G — TVx7, various gauges, 1/2/3-needle.
Which is better, the JACK JK-58450J or the JACK JK-8558G?
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 JK-8558G is described as: Power-saving flatbed chain-stitch machine, available in 1, 2 or 3-needle configurations, with a rear puller for umbrella, denim and T-shirt work.
What is the price of the JACK JK-58450J and the JACK JK-8558G?
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.