EZARC Countersink Drill Bit Set 12 PCS Counter Sink Drill Bit Adjustable 4 6 8 10 12 Magnetic Extension bit Holder for Woodworking with Storage Box

Unique TwoFlute DesignFeaturing a dualedge cutting design these countersink drill bits eliminate chatter and ensure smooth precise finishes Compared to singleblade bits they offer faster cutting ideal for larger or deeper countersinks Upgraded 12Piece SetThis EZARC countersink drill bit set includes 5pcs Countersink bits 4 6 8 10 12 5pcs Replaceable drill bits 1pc 60mm Magnetic Extension bit holder 1pc Allen WrenchStorage Case Strong and DurableCrafted from premium titaniumcoated highspeed steel the countersink bits are perfect for use on both softwood and hardwood The upgraded chamfer blade with a stepped design minimizes cutting resistance and maximizes durability Efficient and Clean DrillingDesigned with sharp blades and an 82degree countersink angle these bits deliver fast clean pilot holes for a snug screw fit Allinone drilling countersinking and counterboring maximize efficiency Versatile ApplicationEquipped with a 14 hex shank these countersink drill bits are compatible with a wide range of tools including impact drills including hand drills bench drills and electric drills Adjustable depth settings accommodate various wood thicknesses though extended use on hardwood is not recommended.