HPMAISON 17Pcs Countersink Drill Bit, Includes 5 Quick Change 8mm Shank Adjustable Bits, Free Replaceable Bits and 7 Hex Wrench for Woodworking

【17Pcs Countersink Drill Bit Set】 HPMAISON Countersink Drill Bit Set includes 5pcs countersink drill bit, 5pcs free replaceable drill bits and 7pcs hex wrench. Counter-bore diameter: 10mm. 5 different diameter sizes of drill bits: 2.8mm, 3mm, 3.2mm, 3.5mm, 4mm. 【Durable and Wear-Resistant】 The blade is made of high quality tungsten steel material, which is sharp and wear-resistant, so it can quickly and accurately drill out smooth and beautiful holes, and ensure the tight fit of screws. 45# carbon steel base is sturdy and durable, not easy to break. 【Removable and Adjustable】 Use the included hexagonal wrench to remove the screws and adjust the length of the countersink hole to adjust the drilling depth of various length screws and improve work efficiency. 【Two Ways of Drilling】 There are two ways to drill for HPMAISON woodworking countersink drill bit set. You can drill holes on the surface of the wood or drill holes in the wood to make it look clean and professional.(Suggest to use center punch for positioning before drilling, and keep the drill bit vertical to prevent the drill bit from bending or breaking.) 【Suitable Drilling Materials and Applications】 Provide accurate and clean guide holes in compression plates, plastics, MDF, pine and other materials. The countersink drill bit is designed as a wood drill bit, which is very suitable for woodworking, DIY enthusiasts, home maintenance, etc. Prohibited materials: glass, metal, concrete, gypsum board. 【Compatible Machines】 Fit for drilling machines with chucks - such as lithium drill, hand drill, bench drill, etc. Compatible with DeWalt, Compatible with AEG, Compatible with Bosch, Compatible with DUSS, Compatible with ELU, Compatible with Hilti, Compatible with Hitachi, Compatible with Kango, Compatible with Kress, Compatible with Makita, Compatible with Metabo, Compatible with Milwaukee, Compatible with Wacker and many other brands.