EZARC Countersink Drill Bit Set - Nitride-treated HSS 15 PCS

【New Upgraded Set】EZARC 15pc countersink drill bit set that covers all the tool accessories you need for entire wood project. 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.. 【Nitride-treated HSS】Crafted from industrial-grade high-speed steel with a nitrided surface, our woodworking countersink drill bit offer enhanced toughness and wear resistance. Compared to common carbon steel bits on the market, it boasts 2X longer lifetime.. 【Precision Depth Control】With adjustable depth stop collars, this counter sink drill bit for wood offers precise control over pilot hole depth, ensuring consistent and accurate countersinking for a truly professional finish.. 【Efficient Drilling, Flawless Finish】Our drill bit's sharp cutters and 82-degree counterbore angle ensure smooth, rapid drilling in hard and soft woods. Tapered pilot bits deliver fast, clean pilot holes for a snug screw fit. All-in-one drilling, countersinking, and counterboring maximize efficiency.. 【Versatile & Compatible】Ideal for various woodworking projects such as cabinetry and furniture making, this counter sinker drill bit set are suitable for hand drills, bench drills, electric drills. Note: For optimal cutting results, it is recommended to use the wood plug cutter on a bench drill.