High-Speed Steel Step Drill Bit, Straight Shank, 90°-180° Countersink, White Steel Spiral Design.

This high-performance drill bit is expertly crafted from durable high-speed steel, ensuring long-lasting sharpness and strength. Featuring a versatile straight shank, it is designed for easy compatibility with a wide range of drills. The bit includes a 90°-180° countersink, providing precision and efficiency when working with different materials. Its unique white steel spiral design enhances chip removal and reduces friction, allowing for smoother and faster drilling. Ideal for both professionals and DIY enthusiasts, this drill bit is perfect for creating clean, precise holes in various surfaces. Cutting Diameter (mm): 6.5 Shank Diameter (mm): 6.5/8/9.5/11/12 Chip Groove Length (mm): 35 Useful Length (mm): 35 Total Length (mm): 100 External Blade Angle (°): 10 Material: High Speed Steel Blade Diameter: 10 Blade Length: 35 Product Weight (kg): 0.5 Manufacture country: China Instructions included: No