Holemaker Bi-Metal Holesaw 45mm Dia. AB2522-63 SAE 20R4 and 20R3 Type

SAE 20R4 and 20R3 Type EC Class D-1 and D-2 specifications

NOT FOR 1990-93 Chevrolet 454 SS Truck

14mm2 - flat bits - 4

Efficient 900W / 50-60Hz Motor

For light to heavy foot-traffic areas (avoid sharply turning wheeled traffic)

Holemaker Bi-Metal Holesaw 45mm Dia. AB2522-63 SAE 20R4 and 20R3 TypeUN100 045 Holemaker Bi Metal Holesaw 45mm Dia. PREMIUM QUALITY BI METAL M42 COBALT HIGH SPEED STEEL. Suitable for drilling a wide range of materials including steel aluminium brass cast iron plastics & wood. The M42 (8% Cobalt) high speed steel teeth offer optimal cutting life & performance. VARIABLE PITCH 4 6 TEETH PER INCH. For reduced vibration delivering increased life performance & accuracy. Diameter: 45mm Thread: 5 8