Bosch 6 pc. 5-1/4 In. Z Letter 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.

Features:

• 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