DECKRKAT Countersink Counterbore Drill Bit Set - M2 steel high carbon steel 5pc 6 8 10 12 16

3in1 Countersink Drill Bit Set Enable you to Drill Countersink and Counterbore in one step ideal woodworking tools for setting screws flush with or below the surface of a material Meet All Your Needs5 packs of Countersink drill bits assortment in size 6 332 8 764 10 18 12 964 and 16 316 for perfect centered Screws Holes in both Soft and Hard Wood Easy To Use3 sharp edged 82degree chamfer design Counter sink bits built with 14 Hex Shanks with groove for quick size changes without bit slipping compatible with most electric drills and tools Drilling Depth Adjustable Working length of the pilot drill bit is adjustable for precise depth control hex wrenches included for changing or tightening the pilot drill bits Compatible with More Materials Pilot bits are made of high quality M2 steel countersink bits make of high carbon steel able to drill in hard wood soft wood plywood plastic Please use a drill bit one size smaller in soft wood