General Purpose Jobber Length Drills

Chicago-Latrobe GP Jobber

Series 150D- Uncoated

Series 150- Black Oxide

Series 150TN- TiN Coated


  • General-purpose geometry for drills in a wide range of operating conditions and materials.
  • Manufactured from premium high-speed steel.
  • 118° point.
  • The most popular drill for general-purpose applications.
  • Metric sizes are manufactured to DIN 338 specifications.
  • Bright, black oxide, and titanium nitride (TiN) finishes standard from stock; alternate coatings available as stock modifications.

Application Information:

  • Carbon steel (TiN, black oxide)
  • Cast iron (TiN, black oxide)
  • Non-ferrous materials (bright)

Surface Treatment Information:

  • Black oxide surface finish increases wear resistance and adds lubricity, improving chip flow
  • Titanium nitride (TiN) PVD coating adds lubricity and hardness which enhances chip flow, finish hole quality, and drill life.