Size 38 mm arbors to suit available separatelycode holesaw size shank bah3834930 930 14 30 mm cutting edges all saws have varipitch 4 6 t pi blades bahco holesaws are made for high precision cutting of holes from 916in 14mm to 6in 152mm diameter in all sawable materials up to 1 18in 29mm thick suitable for use in portable electric or pneumatic tools and in a wide variety of drilling boring milling and other machine tools size 44mm