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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 65rpm - Stainless 30rpm - Brass 90rpm - Alu. 90rpm - Wood & Plastic 800rpm.
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
6.4mm x 75mm HSS Pilot Drill For Holesaws
7/16" Hex Large Holesaw Arbor