50mm HSS Carbide Steel Hole Saw for Thick Metal

- 50mm HSS Carbide Steel Holesaw for Thick Metal - Industrial grade metal drilling hole cutter, more than 10 times longer life than Bi-Metal hole saw on hardened metal drilling. - Extremely long lifetime and no teeth breakage for any tough job with high-end tungsten carbide technology. - Provide fast and precise cuts into stainless steel, sheet metal, cast iron, mild steel, aluminum and FRP - Smooth cut with perfect cutting quality for every hole.