BOSCH BL2166 1 Piece 39/64 In. x 6 Fractional Reduced Shank Black Oxide Drill Bit for Applications in Light Gauge Metal, Wood, Plastic

Speed helix design for three times faster drilling than standard bits Last 50 percent 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, Manufacturer: Bosch