Bosch Black Oxide Jobber Drill Bit, 19/64" Recommendations

Fractional, Jobber Length. Designed for general purpose drilling in carbon and alloy steels, aluminum, soft cast iron, wood, wood composites and plastic. Speed helix for faster penetration, easier drilling, reduced heat. Extended drill bit life, extendedcordless battery life. 135 degree split point starts drilling on contact. No walking or skating. No center punch required.