High-Speed Steel Twist Drill Bit for Iron Drilling

This twist drill bit is crafted from high-speed steel, designed specifically for efficient and precise drilling into iron materials. Its robust construction ensures durability and resistance to wear, making it ideal for both professional and DIY projects. With a sharp cutting edge, it provides clean and accurate holes while minimizing heat buildup. The bit is engineered for compatibility with standard drill chucks, offering versatility and ease of use across various drilling applications. Cutting diameter (mm): 4, 6, 3.5, 5, 7, 8, 10, 3.2, 11, 12, 9, 13, 11.5, 5.5, 6.5, 7.5, 4.8, 12.5, 4.5, 4.2, 10.5, 9.5, 8.5, 5.2, 12.7 Total length (mm): 151, 101, 70, 109, 125, 75, 142, 80, 86, 93, 117, 65, 133 Material: High Speed Steel Blade length: 36, 39, 43, 47, 101, 63, 87, 57, 75, 52, 69, 81, 94 Manufacture country: China Instructions included: No