Brand new carbide tip hole cutter, use with an ordinary electric drill. Split tip pilot drill prevents damage by gradually guiding cutter to material; no walking. Carbide teeth for fast cutting of clean, round holes. Designed specifically for sheet metal cutting, even stainless steel. Over drill flange built in to prevent penetration beyond the sheet metal. Cuts quick, precise holes in stainless steel, mild steel, iron, copper and brass.
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