5-piece 8mm countersink drill bit set for woodworking, consisting of a countersink drill bit and a countersink drill bit with depth stop, for drilling in wood and plastic.

【Various Sizes】 Countersink drill bits with countersink included 5 different sizes: 2.8 x 8 mm, 3.0 x 8 mm, 3.2 x 8 mm, 3.5 x 8 mm, 4 x 8 mm. 【Material】The hole saw wood drill bit is made of high quality alloy steel with higher precision, higher hardness, faster cutting speed and greater strength than ordinary drill bits. 【Quick Chip Removal】Spiral flute bit set with a center bit quickly discharges chips from the hole. It can effectively prevent debris accumulation and improve drilling efficiency. 【Adjustable】Removable and adjustable: Remove the screw using the hex wrench provided and adjust the length of the countersunk hole to adjust the drilling length of screws of different lengths.【Versatile】Suitable for home or professional woodworking projects, countersink drill bit suitable for various soft materials such as wood boards, aluminum boards, plywood, plastic, PVC boards. Not recommended for metals or steel plates.