Bosch BL2131 2-Piece 1/16 In. x 1-7/8 In. Fractional Jobber Black Oxide Drill Bit

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