BOSCH BL4135 1/8 In. x 2-3/4 In. Fractional Jobber Black Oxide Drill Bits The Bosch line of metal drill bits offers a solution for every professional application. Each bit is manufactured to exacting specifications and features a split point that starts on contact with no walking or skating, eliminating the need for a center punch. Bosch black oxide bits offer superior durability, speed and selection to support most general-purpose applications. BENEFITS 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 SPECIFICATION Bit Diameter 1/8 In. Bit Material Black Oxide Bit Type Twist Length 2.75" Minimum Chuck Size Required 3/8 in Surface Coating Black Oxide
