STARRETT ELECTRICIANS HOLESAW KIT

This electricians kit includes six Bi-Metal Fast Cut holesaws, plus two arbors: A1 Standard and A10 Quick-Hitch. Holesaw sizes as follows:
16mm (5/8?),20mm (25/32?),25mm (1?),32mm (1.1/4?),40mm (1.9/16?),51mm (2?). New tooth material with extra cobalt for enhanced heat and wear resistance � improving the product life. The 5.5 TPI positive rake tooth form provides less torque for a smoother, faster cut in all materials. 30% extra gullet volume for better material penetration. Ideal for 3mm stainless steel, mild steel sheet and tubes and other materials with a thickness of up to 13mm (1/2�). 41mm (1.5/8�) hole saw depth.