12x HSS Countersink Drill Bit 1/4" Hex Shank Woodworking Pilot Screw Hole Set
- Excellent Performance - 5Pcs 5 Flutes 6-12# Carpentry Countersink Drill Bit Set 1/4 Hex Shank HSS Woodworking Pilot Screw Holes - Special designed steel counter sleeve countersinks or counterbores pilot hole - Titanum Coated HHS - Countersink drill bit is made by heat treated and tempered titanum coated high speed steel for superior cutting power & robust.Meanwhile compared with ordinary the drill accuracy more high - The countersink drill bit have self-starting point and five-fluted design eliminates chatter and vibration for smooth operation to make clean, accurate and burr-free cuts. -Standard 1/4 inch hex shank is quick change compatible and has an adjustable counter sleeve depth with Allen wrench, for flush screw heads or deeper to cover with matching plugs - Fast Chip Removal - Faster discharge of sawdust, you will get a nice smooth surface on any type of hard, velvety wood or aluminum - Multipurpose - Countersink dril