Features Versatile Drilling Tool: Perfect for use with bench drills, hand drills, and row drills, allowing you to achieve precision drilling in various applications Durable Carbon Steel Cutter: Crafted from 45# carbon steel, this drill bit ensures fast drilling and efficient cutting, providing smooth results with every use Long-lasting Alloy Construction: The counterbore drill body is made from high-quality alloy, featuring a smooth finish that resists wear, ensuring longevity and consistent performance Multi-material Compatibility: Designed for woodworking, these bits effortlessly drill through wood, plastic, PVC board, and more, making them ideal for diverse projects Two Sizes Included: The kit features 2 counterbore drills with cutter head diameters of 3mm and 4mm, accommodating a variety of drilling tasks for your convenience Features: 1、Countersink drills are mainly used to perform drilling s on bench drills, hand drills or row drills. 2、The cutter head is made of 45# carbon steel material, fast drilling and procing, and cutting more smoothly. 3、The counterbore drill body is made of alloy, with smooth appearance and no burrs, and it is not easy to wear after long？term use. 4、Woodworking countersunk drill bits suitable for wood, plastic board, PVC board and other materials. 5、The kit contains 2 counterbore drills, the diameter of the cutter head is m and 4mm, which are suitable for drilling holes of different diameters. Specification: Item Type: Countersink Drill Bit Material: Body YG6 alloy, blade 45# carbon steel Compatible Models: Bench drills, hand drills, row drills Blade Diameter: Approx. m / 0.12in, 4mm / 0.16in Application: Compred board, plastic, density board, sandalwood, pine, ash, beech, basswood Package List: 2 x Countersink Drill Bit 1 x Stop Screw 1 x Hex Wrench Package List 2 x Countersink Drill Bit 1 x Stop Screw 1 x Hex Wrench