Lytool Countersink Drill Bit Set,5Pcs Counter Sink Bits for Wood,Tapered Drill Bits for Woodworking,5/16" Shank,Allen Wrench, Wood Screw Counter Sinker Drill Bits with Depth Stop,Pilot Screw Hole Set - CD20308

• 【MEET YOUR WORK NEEDS】 Counter sinker drill bit set， Including 5pcs countersink drill bits and 5pcs replaceable bits offered, 5 Allen Wrench. 5 different drill diameter sizes: 2.8mm, 3mm, 3.2mm, 3.5mm, 4mm, counter-bore diameter size: 10mm 【STURDY AND DURABLE】 The tungsten steel blade is sharp and wear-resistant, which can drill smooth and beautiful holes quickly and accurately, and ensures tight fit for screws. The 45# steel base ensures more robustness and durability, and is not easy to break 【ADJUSTABLE AND REMOVABLE 】The adjustable countersink bit comes with a high quality manufactured depth adjustable countersink to control the pilot hole depth. Countersink drill bits with conical drill bits can be replaced with Replacement Conical Drill Bits Countersink, Countersink drill bits for wood made to drill, countersink and counterborein in 1 step sink counter set 【VERSATILITY】 Provides precise, clean pilot holes in compressed board, plastic, MDF, pine, beech and more. Counter sink bits designed as to work as wood drill bits, perfect for woodworkers, DIY enthusiasts, home repairs and more. Prohibited materials: glass, metal, concrete, plasterboard 【COMPATIBILITY】 Suitable for drilling machines with chucks such as lithium electric drills, hand drills, bench drills, etc. It is recommended to use a center punch for positioning before drilling, and keep the drill vertical to prevent the drill from bending or breaking. If there is any problem, please feel free to contact us