3PCS Air Spot Weld Drill Bits Set HSS CO Cobalt Spot Weld Cutter Remover Tool
Air Spot Weld Cutter Drill Bit Cobalt Spot Weld Drill Set High Speed HSS CO. Material: HSS CO Cobalt Material. - High speed Cobalt bit, Titanium coating prevents bit dulling from overheating. - High strength and hardness.