★ CENTER DRILL BIT – High speed steel drill bit with a brass body designed; High hardness, rustproof, solid, durable and superior drilling performance which is guide for centering the pilot holes needed for the hinges.
★ PRECISE POSITIONING – Pilot hole drill bits are precisely positioned and do not shift. The drill sleeve can be fixed well to ensure the punching accuracy. This is a good tool to improve the efficiency of hinge punching.
★ EASILY USE and INSTALL – Different hardness wood, need different self centering drill, You just need take the screw apart and replace the drill with new one. Perfect carpenter tool for woodworking, mounting hinges on wooden doors, cabinets, windows, etc.
★ EXCELLENT DESIGN – Sawdust will be automatically drained from both sides of the holes, without drill blocked, you don’t have to remove wood chips, effectively increasing your work.