Tungsten Carbide Rotary Burrs Porting Bits for Automotive Engine Cylinder Head Polishing Deburring

Tungsten Carbide Rotary Burrs Porting Bits for Automotive Engine Cylinder Head Polishing Deburring. Material: Tungsten Carbide Blank highlight: High hardness & wear resistance, long service life. Cutting Teeth: Multi-type Special Flutes highlight: High cutting efficiency, anti-clog design for different metals. Welding: Flat Bottom Silver Brazing highlight: Large bonding area, ultra-strong joint, no head falling off at high speed.