... hard alloy milling cutter Smart Card hard alloy ... -hard processing of professional, special, non-standard, special shaped and new products with ... stock articles such as raw material ,semi- products, finished products in ordinary year ... ISO standard (for general machining) PR40/PRA5High cobalt HSCo8(SKH59), ASP60 German standard (DIN) series ... has better result, can machine various materials of HRC50°. ...