cnc Carbide cutting tool Wc:90%, Co:10%,TRS:4000N/mm2, HRA:91.8,Grain Size: 0.6-0.7um Middle-Low Speed, Upto:HRC45-HRC50(Order No)(Size mm)d(cutting)D(shank)l(flute length)L(length)4F-1-4D-3-50L143504F-1.5-4D-4-50L1.544504F-2-4D-6-50L246504F-2.5-4D-8-50L2.548504F-3-4D-8-50L348504F-3.5-4D-10-50L3.5410504F-4-4D-11-50L4411504F-5-6D-13-50L5613504F-6-6D-15-50L6615504F-8-8D-20-60L8820604F-10-10D-25-75L101025754F-12-12D-30-75L121230754F-14-14D-35-100L1414351004F-16-16D-40-100L1616401004F-18-18D-40-100L1818401004F-20-20D-45-100L202045100