COMOWARE Countersink Drill Bits - Carbon Steel 7Pcs 3mm 4mm 5mm 6mm 7mm 8mm 10mm

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.