Compatible Models

The Bosch BL4156 6 pc. 29/64 In. x 5-5/8 In. Fractional Jobber Black Oxide Drill Bits is the correct replacement for the following model numbers.

Description

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

Reviews