Countersink Drill Bit Set, 3Pcs Tapered Drill Bits M2 Hss, With 1/4" Hex Shank Excellent Performance 3Pcs 6-10# 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 durable.Meanwhile compared with ordinary the drill accuracy more high The countersink drill bit have self-starting point and four-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, soft wood or aluminum Multipurpose Countersink drill bit erfect for wooden planks, plastic, soft metals, fiber board, particle board, plywood, alumiumn board etc. Excellent Performance: Countersink drill bit set for wood with tapered drill bit M2 HSS, 4 Flute countersink cutter for superior cutting power durable Product Feature: 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 Meet Your Demands: #6(9/64'), #8(11/64"), #10(3/16"), 3 pieces different sizes of countersink drill bits, satisfy you all demand. The most often used sizes for cabinet, furniture makers and other wood working Multipurpose: The bits erfect for wooden planks, plastic, soft metals, fiber board, particle board, plywood, alumiumn board Quality Commitment: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping