Crafted for precision and durability, the Dormer A022 HSS TiN Coated Spiral Drill Bit features an 8.9mm diameter and Type N profile, making it suitable for diverse drilling tasks. The high-speed steel construction ensures long-lasting performance, while the titanium nitride coating reduces friction and enhances cutting efficiency. With a 135-degree point angle, this pack of 10 bits offers excellent chip removal and accuracy, making it a vital addition to any toolkit for both professional and DIY