... ,consistent quality control 2,made-to-order service available 3,Material:HSS M-2,SKH-9, SKD11 ... Custom hardness RC 64-65 and triple drawn available on request. TYPEOversizeMATERIALHSS M-2, SKH-9, ... production process is in line with the international standard.We can produce pins with diameter ... , please contact us at your convenience.Also available:precision ground plates, with different shapes for ...