- Coating: Enhanced hardness, heat resistance, and friction reduction extend the lifespan of the tool by minimizing wear and tear. - Material: Crafted from high-speed steel (HSS), this tool offers exceptional durability and is made from industrial-grade materials for superior performance. - Features: Standard 3 flute router design with a 90° point angle, ideal for deburring, chamfering, and sinking. The cutting edges effectively dissipate chips, resulting in a longer-lasting sharpness during use. - Diameter Range: This countersink drill bit set includes 6 different sizes for versatility: 6.3 mm, 8.3 mm, 10.4 mm, 12.4 mm, 16.5 mm, and 20.5 mm. Applications: - Perfect for woodworkers who need precise chamfering and deburring on various materials. - Great for metal fabricators requiring consistent and reliable performance for sinking operations. - Suitable for DIY enthusiasts looking for a durable, multi-size drill bit set for various home projects. This countersink drill bit set is designed for professionals and DIYers alike, offering reliability and performance in every use.