Solid submicron grain carbide end mill - center cutting Shorter flute length for rigidity 3 degree helix - rhs/rhc
3/4 BALL EM 4FL 1 F/L TiALN Solid submicron grain carbide end mill - center cutting Shorter flute length for rigidity 30 degree helix - rhs/rhc Up to 40% faster than uncoated Dry or semi-dry machining Ball radius tolerance +.000-.001 (+.000-.025mm)