About this item

• Zhong lian de tools is committed to providing consumers with 100% satisfaction. Our goal is always to create perfect products for consumers,Please contact to us on your order page if having any issues with our countersink drill bit set. In order to give you a better shopping experience, we are more than willing to help you solve all questions about the product.
• Tapered drill bits pointed tip and wide flute for drilling fast, clean pilot hole, ensures tight fit for screws. The 2 in 1 design turns two-step countersinking into one-step operation. This can make perfect countersink holes for both flush-set and plugged screws, countersink drill bits for wood made to drill, countersink, and counter-bore in 1 step sink counter set. Counter sink bits designed as to work as wood drill bits
• These pilot screw countersinks bits are designed to match the most commonly used woodworking 82° screws you might encounter . Adjustable countersink drill bit with quality-built depth adjustable counter bore attaches to flat on shank with 1 hex screws for controlled pilot hole depth. Best adjustable wood countersink drill bits set ideal for woodworking.
• This countersink drill bit collection is crafted from high-speed steel, providing exceptional cutting efficiency, remarkable durability, and excellent resistance to wear. The wood countersink bit features an enhanced flute design that promotes optimal chip clearance. Each drill bit fits snugly into the countersink sleeves, and the dual chamfered flutes facilitate quicker operations while naturally clearing debris, resulting in holes that are uniformly sized and shaped.
• The countersink bits are ideal for bench drill, hand drill, and a conventional electric drill, Built with 1/4" hex shank to fit most quick-change chuck machines or power drills; Package Includes 5 pieces of M2 Screw Drill/Countersink/Counterbore bits in sizes 5/64”, 3/32”, 7/64”, 1/8”, 9/64”,the sharp M2 Pilot Hole Drill Bit is detachable, so you can adjust the drill depth according to the length of your screw; then tighten it with the hex key (included) to the Countersink / Counterbore sleeve