Four flute Roughing End Mills

Four flute Slotting Roughing End Mills / Corrugated Milling Cutter Endmill Quick Detail: High Quality HSS material with 8% Cobalt, M42 TIALN Coating (Black), Made by 5 AXIS CNC grinder Checked by Zoller Inspection Equipment Workpiece upto HRC50 1 piece packing. Standard Length Type Description: High Quality M42 HSS-Co8 material, high quality TiAlN coating,getting long tool life,from roughing to finishing processing,reduce time of changing cutters,improving efficency of