Interlock / Coverstitch comparison
JACK JK-8670BDII/UT vs JACK JK-8787-01GX356/UT: which interlock / coverstitch machine should you buy?
A side-by-side look at two interlock / coverstitch machines from our catalog: the specifications each one lists, where they differ, and which kind of production each suits. Both are used for knitwear, activewear, garments.
JACK JK-8670BDII/UT
High-speed computerized small cylinder-bed interlock (180mm circumference) with auto thread trimming and a built-in cooling fan.
JACK JK-8787-01GX356/UT
Super high-speed computerized cylinder-bed interlock with an electromagnetic direct-drive presser-foot lifter group.
Key differences
- Both list the same top speed of 4500 s.p.m.
- JACK JK-8670BDII/UT lists an automatic thread trimmer; JACK JK-8787-01GX356/UT does not list one.
- Series: JACK JK-8670BDII/UT — Interlock, small cylinder-bed; JACK JK-8787-01GX356/UT — Interlock, cylinder-bed.
- Best for: JACK JK-8670BDII/UT — T-shirts, underwear, jeans, mid-to-high-level clothing; JACK JK-8787-01GX356/UT — Shirts, suits, pants, down jackets.
- Availability: JACK JK-8670BDII/UT — Order on request; JACK JK-8787-01GX356/UT — Order on request. Call to confirm today's stock.
Specifications side by side
| Specification | JACK JK-8670BDII/UT | JACK JK-8787-01GX356/UT |
|---|---|---|
| Series | Interlock, small cylinder-bed | Interlock, cylinder-bed |
| Needle | UY128GAS, 11-14# | — |
| Max sewing speed | Up to 4500 s.p.m. | Up to 4500 s.p.m. |
| Best for | T-shirts, underwear, jeans, mid-to-high-level clothing | Shirts, suits, pants, down jackets |
| Availability | Order on request | Order on request |
| Stitch/Thread | — | 3 stitch / 5 thread |
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-8670BDII/UT if…
High-speed computerized small cylinder-bed interlock (180mm circumference) with auto thread trimming and a built-in cooling fan.
- Small cylinder-bed design
- Runs up to 4500 s.p.m.
Choose the JACK JK-8787-01GX356/UT if…
Super high-speed computerized cylinder-bed interlock with an electromagnetic direct-drive presser-foot lifter group.
- 3-needle / 5-thread seam
- Runs up to 4500 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-8670BDII/UT and the JACK JK-8787-01GX356/UT?
Both list the same top speed of 4500 s.p.m. JACK JK-8670BDII/UT lists an automatic thread trimmer; JACK JK-8787-01GX356/UT does not list one. Series: JACK JK-8670BDII/UT — Interlock, small cylinder-bed; JACK JK-8787-01GX356/UT — Interlock, cylinder-bed.
Which is better, the JACK JK-8670BDII/UT or the JACK JK-8787-01GX356/UT?
It depends on your fabric, operation and daily volume. The JACK JK-8670BDII/UT is described as: High-speed computerized small cylinder-bed interlock (180mm circumference) with auto thread trimming and a built-in cooling fan. The JACK JK-8787-01GX356/UT is described as: Super high-speed computerized cylinder-bed interlock with an electromagnetic direct-drive presser-foot lifter group.
What is the price of the JACK JK-8670BDII/UT and the JACK JK-8787-01GX356/UT?
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.