Set of 4 8mm chamfering drill bits for woodworking, countersunk head chamfering bits, with hex key and screw

Contents: 4 drill bits, 4 hex keys, and 4 screws. Drill bits of varying sizes meet your different needs. Dimensions: 2.8 × 8 mm, 3 × 8 mm, 3.2 × 8 mm, 3.5 × 8 mm. Superior Quality: Made of high-quality alloy steel, it offers superior precision, hardness, cutting speed, and strength compared to ordinary drill bits. Removable and Adjustable: Use the included hex key to remove screws and adjust the countersunk head length to accommodate different screw lengths. Convenient Function: The helical groove with a central drill bit allows for quick removal of debris from the hole. It effectively prevents debris buildup and improves drilling efficiency. Wide Application: Suitable for drilling holes in wood, including solid wood panels, particleboard, plywood, and medium-density fiberboard. Also suitable for plastics, soft metals, fiberboard, etc.