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Power Tools for Professionals

BL6143

12 pc. 1/4 In. x 2-5/16 In. Fractional Double-End Black Oxide 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.

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Technical Data

Specification
Bulk false
Diameter 1/4"
Flute Length 0.5
Length 2.3125"
Overall Length 2.3125
Quantity 12 (bulk)
Shank Diameter 0.25

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

Other sizes

Diameter

3/16"

Shank Diameter

0.1875

Overall Length

2.3125

Quantity

12 (bulk)

Diameter

7/32"

Shank Diameter

0.2187

Overall Length

2.3125

Quantity

12 (bulk)

Diameter

7/64"

Shank Diameter

0.109298

Overall Length

1.9375

Quantity

12 (bulk)

Diameter

1/8"

Shank Diameter

0.125

Overall Length

2.125

Quantity

12 (bulk)

Diameter

9/64"

Shank Diameter

0.1406

Overall Length

2.1562

Quantity

12 (bulk)

Diameter

5/32"

Shank Diameter

0.15625

Overall Length

2.1562

Quantity

12 (bulk)

Contact Us

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1-877-BOSCH99 (1-877-267-2499)

Mon-Fri: 7:00-19:00 CST

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