Made of high speed steel: offer superior cutting performance and durability
Quickly and accurately drill a smooth counterbore hole.
Ejecting the chips on both sides and deburring the hole perfectly.
Adjustable: Use hex wrench to adjust the position of pilot drill bit
Multi-purpose: Suitable for bench drill, hand drill and conventional electric drill.
Perfect for wood, fiberboard, particleboard, plywood, plastic, PVC, rubber etc.