Promo 1Makita Promo

Bosch BL4138 11/64 Inch x 3-1/4 Inch Fractional Jobber Black Oxide Drill Bits - 12 Pieces

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.

Free Shipping
$15.14
Model# BL4138
SKU
000346328738

Bosch BL4138 Fractional Jobber Black Oxide Drill Bits 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

Bosch BL4138 Specifications:

  • Bulk: false
  • Diameter: 11/64"
  • Flute Length: 2.25
  • Length: 3.25"
  • Overall Length: 3.25
  • Quantity: 12 (bulk)
  • Shank Diameter: 0.1718
Model# BL4138
Brand Bosch