Solid Carbide EndmillsMilling Solid Carbide Endmills V470 Series for high performance milling (Hardened steel & Steel HRC 25~55) Excellent chip evacuation V470 Variable Spacing Series Unequal flute spacing for anti-vibration. Suitable for hardened steel & steel machining. High removal rate for steel and stainless steel machining. Low cutting force and burr prevention. A134