Bosch BL4150 - 6 pc. 23/64 In. x 4-7/8 In. Fractional Jobber Black Oxide Drill Bits

Features

• Speed helix design for three times faster drilling than standard bits
• Last 50% longer than high-speed steel
• Easier drilling, reduced heat and extended drill bit life
• Available in jobber length, stubby length, extended length (aircraft), 1/2 In. reduced shank (Silver and Deming)
• For use in steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon and composite materials