YG11C Carbide Tips C31HD Round Shank Conical Bit
YG11C Carbide Tips C31HD Round Shank Conical Bit. C31HD round shank conical bit is made by YG11C tungsten carbide tips and 42CrMo steel, clamping sleeves adopt 65Mn as the material to manufacture. all these material combine makes the bit have high impact toughness and wearresistance.