Contractor grade drill bit manufactured from M1 High Speed Steel.
For use in a wide range of materials in the iron and steel families such aluminum, iron, steel and other metal drilling. 135 degree split point tip for self-centering and reducing thrust. Common flute and overall length for minimal adjustment during tool changes 3" Flute Length, 6" Overall Length, 1/2" Shank 17/32" Reduced Shank HSS Contractor Drill Bit, 1/2" Shank.