1、 Using step motor in feed mechanism and needle mechanism，the minimum incremen can reach 0．05mm，to realize perfect and stable stitch．
2、 It is possible to set sewing speed to front 5 stitch by panel to realize low speed switch—on function，to avoid thread broken phenomena when switch on high speed．
3、 With electricaI contr01．For the final several stitches when bar tacking which can prevent the thread o仟frOm the buttonhole．
4、 With the adjustment of tension solenoid。It is possible to meet the needs of different tension at the parallel part and bartack part of buttonhole．
| Needle： |
DP (#11) #11～#14 |
| Knife size： |
6.4-31.8 (1.4”～1-1.4”) |
| Bar tacking width： |
Max.5mm |
| Buttonhole Iength： |
Max.41 mm |
| Hook： |
DP type rotary hook |
| Aiternation range： |
14 |
| Standard stitch pattern： |
6 |
| Extension stitch patern： |
24 |
| Voltage： |
220v～，240v/1000va |
| Sewing speed： |
Max．4200r.p.m. Standard3600r.p.m |
Equipped with 6 standard keyhole forms, and diversify 24 diversified expansion keyhole forms.
