All arbors are hardened for maximum strength. Large arbors, for holesaws 1-1/4" to 6" have drive pins to trnafer large cutting force from the holesaw to the power unit. Pilot Drill included.
All Bahco arbors are hardened for maximum strength. Large arbors, for holesaw 1-1/4" - 6' have drive pins to transfer large cutting force from the holesaw to the power unit. Pilot drill is included