Set of 5 HSS countersink bits with conical head for self-tapping screws – diameters 2.8 mm, 3 mm, 3.2 mm, 3.5 mm, 4 mm

【Removable and Adjustable】: Use the included hex key to remove screws and adjust the length of the countersunk holes to accommodate screws of different lengths, improving work efficiency. Ideal for DIY, home, and small woodworking projects, adapting to various woodworking needs.

【Durable and Long-Lasting】: The drill bits are made of HSS tungsten steel, with a 45# steel core, making them strong and durable. The sharp tungsten steel blade provides fast drilling, a smoother, sharper cut, and is wear-resistant without burrs.

【Applicable Materials】: On hardwood and plywood, the holes are clean and well-drilled. Also on compressed wood, plastic, MDF, pine, and beech, the drill bits are sharp, ensuring a long service life. and reliable performance.

【Applicable Models】: 8mm round shank countersunk drill bit set, can be securely fixed to the drill chuck. Compatible with most models, including lithium electric drills, hand drills, bench drills, etc. 【Standard 90° Milling Angle】: The wood drill bit uses a standard 90° angle for drilling holes.

【Practical Function】: Use the helical flute center drill bit, which can quickly remove chips from the hole. It can effectively prevent debris buildup and improve drilling efficiency. Finish drilling the hole in one go to save time and labor.

【Convenient to Carry】: Countersunk drill bits are ideal for woodworking, allowing you to drill perfectly countersunk holes for driving flat or countersunk screws. The set comes with a convenient storage and carrying case. Keeps the countersunk drill bits neatly organized, making it an excellent choice for woodworkers and hobbyists.