Tungsten Carbide Ball Nose Milling Cutters 1 Suitable for Copper,Cast Iron,Carbon steel,and Mould steel processing.Stainless steel,Titanium Alloy ,Tool steel ,and Heat-treated steel processing.2 Main features: Grain size carbon tungsten .high toughness,Tialn coating,high wear-risistance,special use for high speed cutting of CNC milling machine.also can inclease the smoothness,reduce the rubbing coefficient, and improve the lathe efficiency ,save more production timeR diameterFlute lengthOverall lengthShank lengthR0.52504R0.753504R1.04504R1.255504R1.56504R1.757504R2.08504R2.259506R2.510506R2.7511506R3.012606R3.2512608R3.512608R3.7514608R4.016608R4.016758R4.5187510R5.0207510R6.0247512R8.03210016R10.03210020R12.53515025