Suitable for drilling out spot welds on most vehicle panels. Spot weld cutter features spring loaded centre point to guide cutting crown onto weld. 8mm HSS drill with 5% Cobalt for longer life, suitable for more specialist materials including galvanized, boron and high stress steels. Solid cobalt stock allows re-sharpening, extending product life. Set includes replacement centre points and cutter crowns., Manufacturer: Sealey