Countersunk chamfered bit with adjustable depth limit to meet a variety of countersunk and drilling requirements. Available in five colors; each color corresponds to a drill size for easy identification. Taper countersunk bit crafted from quality steel and speed steel; exquisite workmanship for longlasting durability. Cone countersunk bit design quickly evacuates cuttings from the hole, reducing chip retention and improving drilling efficiency. Wood countersink drill bit suitable for drilling wood, soft metal, fiberboard, aluminum alloy screws, and other materials; simple and practical. Use scenarios Furniture assembly and cabinetry: countersink wood screws in wooden parts to create a flush, clean finish in cabinets or furniture pieces. Aluminum panel and soft metal work: countersink aluminum alloy screws in thin panels or components for flush mounting. Fiberboard and wood projects: countersink screws in fiberboard or soft woods to achieve neat, flush screw heads.