1.The model is a double chain stitch button hole machine
2. Buttonhole with or without eye and with it without taper bar can be sewn.
3. The button hole form is determine by 2 exchangeable disc cams with corresponding knives.
4. The upper disc cams determine the form of the eye. The disc cam lying under there determine the taper bar form and the button hole length
5. The smallest and largest button hole width for each sewing device is established by the position of the limit plate.
6. The machine is equipped with a central oil wick lubrication from two oil reservoirs.
7. Sewing speed. 1860rpm
8. Button holing Length. 6 - 38mm