LENOX shatterproof bi-metal hole saws are made of high speed steel cutting edges with hardness RC63-65 electron-beam welded to spring steel back. Its VariTooth form gives less vibration and smoother cuts. Cuts through metal, wood, nail-embedded wood,
LENOX shatterproof bi-metal hole saws are made of high speed steel cutting edges with hardness RC63-65 electron-beam welded to spring steel back. Its VariTooth form gives less vibration and smoother cuts. Cuts through metal, wood, nail-embedded wood, plastics and stainless steel.