Interlock / Coverstitch comparison
JACK JK-8670BDII/UT vs JACK W5E-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 W5E-UT
Jack’s current computerized flat-bed interlock with an automatic thread trimmer — a step up from the older W4, built for elastic attaching, tape and waistband work.
Key differences
- JACK W5E-UT lists the higher top speed: 5500 s.p.m. against 4500 s.p.m.
- Series: JACK JK-8670BDII/UT — Interlock, small cylinder-bed; JACK W5E-UT — Interlock (flat-bed), computerized.
- Availability: JACK JK-8670BDII/UT — Order on request; JACK W5E-UT — Order on request. Call to confirm today's stock.
Specifications side by side
| Specification | JACK JK-8670BDII/UT | JACK W5E-UT |
|---|---|---|
| Series | Interlock, small cylinder-bed | Interlock (flat-bed), computerized |
| Needle | UY128GAS, 11-14# | — |
| Max sewing speed | Up to 4500 s.p.m. | Up to 5500 s.p.m. |
| Best for | T-shirts, underwear, jeans, mid-to-high-level clothing | T-shirts, underwear, jeans, mid-to-high-level clothing |
| Availability | Order on request | Order on request |
| Feed | — | Full-automatic, auto thread trimmer |
| Controls | — | Digital speed display, one-key reset |
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 W5E-UT if…
Jack’s current computerized flat-bed interlock with an automatic thread trimmer — a step up from the older W4, built for elastic attaching, tape and waistband work.
- Full-automatic auto trimmer
- One-key reset, digital display
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 W5E-UT?
JACK W5E-UT lists the higher top speed: 5500 s.p.m. against 4500 s.p.m. Series: JACK JK-8670BDII/UT — Interlock, small cylinder-bed; JACK W5E-UT — Interlock (flat-bed), computerized. Availability: JACK JK-8670BDII/UT — Order on request; JACK W5E-UT — Order on request. Call to confirm today's stock.
Which is better, the JACK JK-8670BDII/UT or the JACK W5E-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 W5E-UT is described as: Jack’s current computerized flat-bed interlock with an automatic thread trimmer — a step up from the older W4, built for elastic attaching, tape and waistband work.
What is the price of the JACK JK-8670BDII/UT and the JACK W5E-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.