Carbide Hole Saw Heavy Duty, Hole Cutter for Stainless Steel, Sheet Metal About this item Carbide Hole Cutter precisely cuts material up to 3/16 in. thick. Cuts stainless steel, mild steel, iron, copper and brass sheet. Spring loaded pilot bit for fast drilling and clean plug ejection. Carbide teeth cut over 500 holes through stainless steel. Up to 10x longer cutting life vs standard bi-metal hole saws. All in one design: pilot drill bit, spring, wrench are included, no need to buy any extra accessories for the cutting.