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Heavy duty, long life holesaws with a M42 (8% cobalt) bi-metal cutting edge. High strength alloy steel body for rigidity. 4/6tpi variable tooth pitch, ideal for cutting stainless steel.
Recommended Operating Speeds: Mild Steel 350rpm - Stainless 175rpm - Brass 470rpm - Alu. 525rpm - Wood & Plastic 2700rpm.
Application: Stainless steel, cast iron, high alloy steels, wood, metal, aluminium and PVC. Use cutting / tapping spray to reduce tool wear and extend tool life