40
This standard-length drill features a 1/2" reduced straight shank and a 21mm diameter, with an overall length of 158mm and a flute length of 82mm, following DORMER standards. It has a 118° point angle and is made from high-speed steel (HSS) with a steam-tempered finish, designed for efficient 4xD drilling in steel without the need for pecking. Features and Benefits • Steam tempered • HSS • Standard spiral flute design • Right hand rotation/cutting • 118° drill point • Reduced cylindrical shank Specifications • Diameter: 21mm • Flute Length: 82mm • Overall Length: 158mm