5pcs Countersink Drill Bit HSS Conical 10MM Hex Shank, Countersink Bit Set for Woodworking

Made of classic carbon steel with high hardness, the blade is sharp, durable, and has a long service life. Use the hex key to adjust the countersink depth and drilling depth for screws of different lengths.The comprehensive specifications can meet all your requirements. Suitable for bench drills, hand drills, and standard electric drills.Perfect for wood, fiberboard, particleboard, plywood, plastic, PVC, and rubber. Precise drilling can be done quickly and accurately.The external thread helps evacuate debris during drilling, ensuring successful drilling. Package contents: 5 wood drill bits, ideal for use with various sized wood holes. Conical drill bits for woodworking.Features: Sizes: 2.8 mm, 3 mm, 3.2 mm, 3.5 mm, 4 mm. Weight: 31 grams for a single piece, 155 grams for a set of 5. Material: YG8 alloy, 45# carbon steel cutting body, powder-coated surface. Round Handle Drill Bit Features: 1.Hard alloy cutting head, sharp blade, wear-resistant and durable, blade won't fall out, high stability. 2.High-quality countersink bit attaches to the shank with 2 hex screws for a secure fit and can be adjusted for a controlled pilot hole depth. 3.Universal round shank, widely used for DIY, home improvement, general construction, engineering, etc. Package Contents: 5 countersink bits.