Dormer High Speed Steel Drill Bit 12.4 mm Head Diameter, 3 Flutes, 90° Countersink Angle, 56 mm Overall Length G10612.4

Dormer G10612.4 high speed steel drill bit is a precision countersink tool designed for industrial, mechanical, and manufacturing applications requiring accurate 90° countersinks. Made from premium quality high speed steel (HSS), this drill bit offers increased hardness and toughness for extended tool life and improved cutting edge strength.

The 12.4 mm head diameter and 3-flute design optimize cutting efficiency and chip clearance, making it suitable for working on a variety of metal materials including soft ductile metals. Its overall length of 56 mm provides adequate depth reach for diverse drilling requirements.

The tool features ground flats on the tri-flat shank, ensuring positive and secure location in 3-jaw chucks for consistent and safe operation during use. Manufactured from high quality HSS for enhanced durability. Head diameter of 12.4 mm for standard countersinking tasks.

3 flutes provide efficient chip evacuation and cutting performance. 90° countersink angle for precise chamfering of holes. Shank diameter of 8 mm for compatibility with most chuck systems. Single piece supply facilitates selection for customized toolkits.

Universally applicable to a wide range of metals. Ground flats secure the bit in chuck for stable operation.

This drill bit is ideally suited for use in industrial manufacturing, metalworking workshops, mechanical repair shops, and tool rooms where precision countersinking is required. Its robust design ensures longevity and reliable performance in heavy-duty environments.

Explore the Dormer range for additional metalworking tools and Countersinks available at EnvMart to meet diverse machining needs.