Set of 28mm Countersink Drill Bits for Woodworking with Conical Holes, HSS Chamfering Bit Set for Woodworking, Complete Set with Limits

High Efficiency: This chamfering drill bit set with a depth stop and center drill quickly removes chips from the hole. It effectively prevents debris buildup and improves drilling efficiency. Practical Function: This HSS spiral flute drill bit set with a center drill quickly removes chips from the hole. It effectively prevents debris buildup and improves drilling efficiency. High Quality: The HSS wood drill bits are made of high-quality alloy steel, offering greater precision, hardness, faster cutting speed, and greater strength than ordinary drill bits. Wide Application: This chamfering drill bit set for woodworking is suitable for drilling holes in wood. It is ideal for solid wood, particle board, plywood, and MDF. Also suitable for plastic, soft metal, fiberboard, etc. Removable and adjustable: Remove the screw using the included hex key and adjust the countersunk hole length to accommodate screws of different lengths.