CAPABILITY & DURABILITY: Classic Carbon Steel Material. High hardness, offer superior cutting power and durable.
THREE-POINTED DESIGN: Quickly and accurately drill a smooth hole. Better in CENTERING and NO SKID. Five-edged chamfer design will fast discharge chips from the hole on both sides automatically.
REMOVABLE & ADJUSTABLE: Easy to use the combination of Hex Key to adjust or disassemble the countersink drill bit and the five-flutes chamfering.