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.
MULTIPURPOSE: Suitable for bench drill, hand drill and conventional electric drill. Perfect for wood, fiberboard, particleboard, plywood, plastic, PVC, rubber etc.
SATISFY ALL YOU DEMAND: Set include 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm and 1 free Hex Key Wrench.If you have any problem, please feel free to contact us.
