Dormer High Speed Steel Drill Bit with 6.3 mm Head Diameter, 3 Flutes, 90° Countersink Angle, 45 mm Length, 5 mm G1066.3

Dormer G1066.3 High Speed Steel Drill Bit is engineered to produce precise 90° countersinks primarily for use in metalworking and machining industries. Its 6.3 mm head diameter coupled with 3 flutes enhances cutting efficiency and tool longevity. This drill bit boasts a 45 mm overall length and a 5 mm shank diameter, making it compatible with most drill chucks and suitable for various industrial and mechanical applications.

Manufactured from premium high speed steel (HSS), this drill bit delivers increased hardness and toughness, allowing for prolonged use and excellent wear resistance. The ground flats on the shank ensure positive location in 3-jaw chucks, improving safety and accuracy during operation.

Its 90° countersink angle makes it ideal for preparing screw holes for countersunk heads on metal and ductile materials. It is used extensively in mechanical fabrication, fluid power, construction, and manufacturing sectors for deburring and chamfering operations.

Suitable for both manual and machine-driven drills, this Dormer drill bit provides efficient cutting on a range of materials and is a valuable tool for professional workshops and industrial environments.

Manufactured from premium quality high-speed steel for enhanced hardness and toughness. Designed to create 90° countersinks in most metal materials accurately. Features ground flats for secure location in 3-jaw chucks. Suitable for use on soft ductile materials ensuring versatility.

Overall length of 45 mm with a 5 mm shank diameter for compatibility with standard drill chucks. Single piece packaging for individual usage or replacement. Explore the Dormer range on EnvMart for premium quality drill bits and Countersinks tailored to industrial, construction, and mechanical needs.