For use with Drive Adaptors and Hex Arbour
Diameter: 6.5mm (1/4")
Drive Adaptors come complete with HSS Pilot Bit Suitable for Holesaws 14mm to 30mm.
Size: 1/2" x 20 Drive Adaptor (9.5mm Hex)
Pin Drive Hex Arbour comes complete with HSS Pilot Bit. Suitable for Holesaws 32mm to 152mm.
Size: 5/8" x 18 Hex Arbor (11mm Hex)