About This

Complete 15PCS Woodworking Set: LRDUBI 15pcs Countersink Drill Bit Set includes everything you need for seamless woodworking projects. This includes 7pcs Tapered drill bits: 2pcs #4 (7/64"),2pcs #6 (9/64"), #8 (11/64"), #10 (3/16"), #12 (7/32"), 2pcs Wood plug cutters (3/8" and 1/2"), 1pc Allen key, 2pcs Depth stop rings (3/8" and 1/2"), 2pcs Phillips screwdriver bits (PH1 and PH2) and 1pc Extension bit shaft.
Achieve Perfect Tapered Holes Every Time: This wood drill bit set features an 82° counterbore chamfer angle for smooth, effortless countersinking in both hardwood and softwood. The tapered pilot holes ensure a secure, flush fit for screws, while the adjustable countersink design delivers precision in every woodworking project.
Industrial Grade Nitride-Treated HSS: Our woodworking countersink drill bit Made from high-speed steel (HSS) with a nitride coating, these bits deliver superior durability and wear resistance—lasting 2X longer than standard carbon steel bits. Perfect for demanding woodworking tasks.
Engineered for Accuracy: Featuring adjustable depth stops, these countersink bits provide surgical precision for pilot hole depth control. Eliminate guesswork and enjoy factory-level consistency in your drilling and countersinking tasks.
Versatile & Wide Compatibility：Ideal for cabinets, furniture, and DIY projects. Works with hand drills, bench drills, and electric drills.Pro Tip: For best results, use the wood plug cutter with a bench drill for precision cutting.