ASHATA CNC Cutter Bit,5pcs Countersink End Mill Slot Drill Bits Tool M3 M8 4 Flutes HSS AL,High toughness,Abrasion resistance,High speed cutting,Reduces times of changing tools

Mill cutters are made of hard high speed steel, usually used to be assembled on milling machine Suitable for milling of copper, aluminum, steel, cast iron, etc High toughness, abrasion resistance, high-speed cutting for the high hardness Can processing directly or fine processing to the heat treatment mold Reduces times of changing tools, improves machine actuator movement efficiency and save mold making time