Technical features:

A number of technical improvements have been made to the buttonhole sewing machine, which improves the stability, expands the application range of fabrics, especially improves the sewing quality of knitted fabrics, and greatly improves the efficiency. Thread cutting mechanism, speed change mechanism, gear transmission, toothed presser foot, automatic oil feeding, flexible presser foot lifting, automatic cutter structure, flat and triangular stitches can be sewed, the stitches are firm and beautiful; the sewing speed is high, the length, width and number of stitches of button hole are adjustable; automatic lubrication system and automatic thread cutting device are set.

Applicable object:

It is suitable for buttonhole lock of all kinds of knitting, cotton spinning, chemical fiber and other fabrics. It is suitable for thin, medium and thick materials.