PERFECT COMBINATION:Countersink drill bit set includes 7 different sizes:(3mm 4mm 5mm 6mm 7mm 8mm 10mm) to satisfy you all demand.
ELABORATE DESIGN:Countersink drill bit set is quick change compatible and has an adjustable counter sleeve depth with Allen wrench.
MULTIPURPOSE:Countersink drill bit set perfect for wooden planks, plastic, soft metals, fiber board, particle board, plywood, alumiumn board etc.
HIGH QUALITY:Countersink drill bit set is made by high speed steel and easy to use. Our drill have higher accuracy than the ordinary.
GOOD PERFORMANCE:The countersink drill bit set have self-starting point and five-fluted design eliminates chatter and vibration for smooth operation to make clean, accurate and burr-free cuts.