Akozon 5pcs M3-M8 Pilot Slotting Counterbore Mould End Mill Cutter Solid Slot Countersink End Mill Drill Bit

Countersink end mill cutter is a special made tool mainly used to cut such a hole allows the head of a bolt or screw.

This kind of cutter cut hole and bottom hole with high alignment precision, Due to its high production efficiency, it is commonly used for machining industry.

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-peed 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.