11.5 x 142mm Dormer HSS Ground Twist Drill

11.5 x 142mm Dormer HSS Ground Twist Drill is a high-quality precision-engineered drill bit designed for reliable performance across a wide range of materials including metal, wood, and plastic. Manufactured from high-speed steel (HSS) and ground for accuracy, it delivers clean, precise holes with reduced effort and improved cutting efficiency. Ideal for professional engineering, fabrication, and general workshop use, this drill bit offers excellent durability and consistent performance. Suitable for both hand-held and machine drilling applications where accuracy and long tool life are essential.