Compatible Models

The Bosch BL2743 1/4 In. x 12 In. Extra Length Aircraft Black Oxide Drill Bit 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

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