BAYTORY 6PCS HSS Countersink Drill Bit, 1/4" Hex Shank 90 Degree Chamfering Cutter Blue Nano Coated Chamfer Tool for Wood Quick Change Bit 6mm-19mm

The Professional Countersink Drill Bit Set made from grade high-speed steel for increased durability, each countersink has a blue Nano coating to resist corrosion and a five-flute design removes chips faster and dills smoother and ensures an extended life. Size: 6 different diameter sizes, 6mm (1/4''), 8mm (5/16''), 9mm (3/8''), 12mm (1/2''), 16mm (5/8''), 19mm (3/4'') Great Design: 1/4 inch hex shank drill bit is suitable for quick replacement, suitable for most power tools. The cutting edge is hardened and honed for sharpness. All drill bits have a 90 degree angle on the point for sharp and precise countersinking. Self-starting point and five-fluted design for clean, accurate and burr-free cuts Easy to Use: Handy, durable, easy to use, 6 mostly popular size countersink bit set for professional carpenters, decorators, tradesmen and DIY. Multiple Application: Great for wood openings, reaming, chamfering and so on. Suitable for wooden planks, plywood, aluminum board, fiberboard, particle board, plastic, PVC board and other various soft material chamfer This set was the perfect combination of a decent variety of sizes and a very affordable price. The drill bits to be very high quality; not only did they cut the wood quickly and cleanly, but they also are appealing, made of high-speed steel alloy combination. Countersinks have worked well. You should have bought these a long time ago, they work great and can saved your time on a few projects already.