Dormer A225 HSS High Speed Steel Centre Drill Bit with 120 Degree Pilot and 60 Cone, BS328 Standard, Single Pack

General description This is a centering punch and drill bit designed for precise hole alignment. It features a straight conical shape with a 60° angle, suitable for creating accurate centering holes. Made from high-speed steel (HSS), it is uncoated and intended for rough machining in various materials including carbon steel, alloy steel, and gray cast iron. Technical specifications Tip diameter: 7/16 in. Working length: 3/16 in. Overall length: 2 1/2 in. Type: Centering punch and drill bit (combined) Shape: Straight conical with 60° angle Drilling diameter: 3/16 in. Body diameter: 7/16 in. Material: High-speed steel (HSS), uncoated Standards: Conforms to BS 328 for Type A centering holes Compatibility and accessories Compatible with standard drill chucks and combined drill and reamer tools Suitable for use with various machining accessories for drilling and roughing operations Installation Insert the bit into a compatible drill or combined drill and reamer tool Secure firmly to ensure