Automatic Grade
Automatic
Model
JACK F4
Thread Number
80 TKT
Sewing Speed(S.p.m)
4000rpm
Usage
Meduim Material
Max Sewing Speed( stitch/min)
3000-4000
Condition
New
 
Reckoned as one of the involved companies of the industry, we are extremely immersed in providing Bottom Coverstitch Machine.
F4
F4-H
F4-7
F4-H-7
 
 
Needle
Thread Number
Stitch Length(mm)
Height of Presser Foot(mm)
Sewing Speed(S.p.m)
Thin Material
Mudium-heavy Material
Heavy Material
Volume（mm）
Weight(kg)
DB×1 11-18#
2
5
5-13
5000
√
√
 
645×248×550
32/38.7
DP×5 18-21#
2
5
5-13
5000
 
 
√
645×248×550
32/38.7
DB×1 11-18#
2
7
5-13
3500
 
√
 
645×248×550
32/38.7
DP×5 18-21#
2
7
5-13
3500
 
 
√
645×248×550
32/38.7