8 Pack Woodworking Countersink Drill Bits Set 3in1, Heavy Duty 6542 Pilot Drill Bits Depth Adjustable, 82-Degree Chamfer, 6mm Hex Shank, for #4#6#8#10#12#14 Screws in Soft & Hard Wood

• 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 Needs–8 pcs Countersink drill bits assortment in size 2mm, 2.5mm, 2.8mm, 3.2mm(x2), 3.5mm(x2), 4mm for perfect centered #4 #6 #8 #10 #12 #14 Screws Holes in both Soft and Hard Wood
• Easy To Use–3 sharp edged 82-degree chamfer design Counter sink bits built with 6mm 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

8-pack Woodworking Countersink Counterbore Drill Bits Set 3in1 They are to save you time and money. Choose a proper sized bit, you can drill, countersink and counterbore in one step, and get clean countersinks and counterbores for #4 #6 #8 #10 #12 #14 Screws in quick fashion. Built with 6mm hex shanks for quick in-and-out change bit connection, compatible with any hex-chuck drill or driver. The pilot drill bit working length is adjustable, so you can have precise depth control for screws. Use a hex wrench to change depth and tight the drill bit in each countersink There are 3 sharp edges in each countersink in 82-degree chamfer for clean holes to set screws flush with or below the surface of a material Specifications: Material: High-speed steel Size：2mm, 2.5mm, 2.8mm, 3.2mm(x2), 3.5mm(x2), 4mm For #4 #6 #8 #10 #12 #14 Screws Extra pilot bits included