Q81C 11Pcs Hexagonal Countersunk Drill Bit for Wood Metal Carpentry Tools OOTDTs: ● High durability: This countersunk parts set is made of classic high-speed steel with a hardness of HRC 62-64; It offers excellent cutting ability, high durability, and good wear resistance.● True 82° Angle: These countersunk countersunk screws are designed to fit the most common 82° woodworking screws you may encounter● Self-cleaning: the drill bit is precisely installed in the sink housing, and the two chamfered flutes allow faster operation and automatic cleaning of the drill bit, thus creating a hole of the perfect size and shape● Excellent carpentry: 2-in-1 construction turns a two-stage dip into an operation. It can create perfect flush countersinks and push screws, there will be no wood splitting, and enjoy neat designs with the drill bit set● Multifunctional Use: Comes with 5 interchangeable drill bits, which cover the damper screws of different sizes. Countersunk drills are suitable for bench drills, hand drills, and traditional electric drills. They are ideal for wood, fiberboard, particle board, plywood, plastic, pvc, rubber, etc. Specification: Material: High Speed Steel Diameter 1: Approx.9/64" Diameter 2: Approx.1/8" Diameter 3: Approx.7/64" Diameter 4: About 3/32" Diameter 5: About 5/64" Package Included: 11pcs Hexagon Countersunk Shank Drill Bit Note: 1. Please allow 1-2mm errors due to manual measurement, please make sure you do not mind before ordering.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.