Barrel Type Cork Puncher 10Pcs 1/4 Inch Hexagon Wren Countersunk Drill Bit

The drill is made of heat-treated and tempered carbon steel, which has cutting force, and its accuracy is higher than that of ordinary drills.The countersunk has an automatic starting point, and the five-slot design eliminates chatter and vibration, and makes the operation smooth, thereby achieving clean, accurate and burr-free cutting.You can drill the screw hole and counterbore of the nut at the same time, and keep the two on the same axis. After tightening the nut, the nut is located below the plane of the circuit board.The standard 1/4-inch hex handle can be quickly replaced, and the depth of the second sleeve can be adjusted by covering the matching plug with a flat-screw Hex key or a cover.Eject wood chips faster, you can get a smooth on any type of hard, cork or aluminum.compatible with workpieces with hardness lower than 25HRC, such as carbon steel, thin iron plate, insulating plate, PVC plate, wood board, etc.Countersink drill size: 5#, 6#, 8#, 10#, 12#Diameter of countersunk drill:1.98mm approximately, 5/64inch drill bit, 3/8inch countersunk screw, compatible with screw size: #52.38mm approximately, 3/32inch drill bit, 3/8inch countersunk hole, compatible with screw size: #62.78mm approximately, 7/64inch drill bit, 3/8inch countersunk hole, compatible with screw size: #83.175mm approximately, 1/8inch drill bit, 3/8inch countersunk hole, compatible with screw size: #103.56mm approximately, 9/16inch drill bit, 1/2inch countersunk hole, compatible with screw size: #12Colour: black + goldMaterial: carbon steelPackage Contents:4 * Claw corkscrews4 * Barrel cork drills1 * Wrench