Detail 10Pcs Claw Cork Punches Chamfering Cutters Countersunk Drill Bits 1/4 Inch Hex Wrench SetMade of high quality materials, durable. The drilling machine is made of heat-treated and hardened carbon steel, which has excellent cutting force and durability, and its accuracy is higher than that of ordinary drills. The countersunk head has an automatic starting point, and the five-slot design eliminates vibration and vibration and makes the operation smooth, thus ensuring cleanliness, accuracy, and burrs-for-any trimming. You can drill a hole for a bolt and a countersink nut at the same time and keep the two on the same axis. When the nut is tightened, 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 a matching plug with a flat screw head hex wrench or deeper. Throw out wood chips faster, you can get a smooth surface on any type of hard, cork or aluminum. It is suitable for objects with hardness lower than 25HRC, such as carbon steel, thin iron, insulation board, pvc board, wooden board, etc. Product Parameters:Reaming Drill Size: 5#, 6#, 8#, 10#, 12#Średnica Countersunk Drill Bits:1.98mm (Approx.), 5/64 inch Drill Bit, 3/8 Inch Countersunk Screw, Screw Size: #52.38mm (Approx.), 3/32 Inch Drill Bit, 3/8 Inch Countersunk Drill Bit Size: #62.78mm (Approx.), 7/64 Inch Drill Bit, 3/8 Inch Countersunk Drill Bit Size: #83.175mm (Approx.), 1/8 inch drill bit, 3/8 inch countersunk bit, screw size: #103.56mm (approx.), 9/16 inch drill bit, 1/2 inch countersunk bit, screw size: #12Kolor: black + gold Material: carbon steelPackage content:4 * corkscrew claw4 * claw claw bits1 * wrenchOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.