Fill out my online form.
6/16/24 Needles/Stitches Cylinder Spindle Head for line of mask making machine/flat knitting machine needle
Brief introduction:
1、Cam material:20crmnt 2、28 hour carburizing process 3、Hardness:55-62 ° 4、Needle shaft material:40Cr 5、High frequency quenching treatment 6、Four axis CNC machining center production