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 smaller than 5 mm
Smooth cut with perfect cutting quality for every hole
This hole saw set includes 3 pieces hole cutters with dimensions of 7/8 inch, 1-1/8 inch, 1-3/8 inch, 2 pieces HSS pilot drill bits and 1 piece hex key
