- Adjustable depth countersink tool made from high-speed steel with an 82-degree cutting angle for faster chip removal and smoother results. Maintains performance even after multiple uses, creating clean and consistent tapered holes for screws. The black oxide coating provides enhanced corrosion resistance for durability. Universal 1/4-inch hex shank prevents slipping in standard chucks. - The tapered drill tip features a wide flute for quick and precise hole drilling, ensuring a tight fit with screws. The countersink can be replaced with a compatible drill bit of the same type and size (sold separately) to extend its lifespan. - This set of drill sizes is crafted from high-quality high-speed steel, meeting required specifications. HSS grade 6542 is heavier and more durable than 4241 HSS and 4341 HSS commonly used in similar countersink drills. - A popular choice for woodworking, this adjustable countersink drill is designed to prevent the bit from loosening from the shank. Made from high-toughness, wear-resistant high-speed steel, it retains sharp edges for consistent performance. Use Cases: 1. Ideal for creating flush screw holes in woodworking projects, ensuring a professional finish. 2. Perfect for metalworking applications where precise hole drilling is essential. 3. Suitable for DIY enthusiasts looking to achieve clean and accurate results in various materials.