20PC 118 Degree General Purpose Jobber Lengh Drill Set Chicago-Latrobe 150D Bright HSS No 61-No 80 MPN:57715

• The CHICAGO-LATROBE - 57715 is a jobber-length drill bit set consisting of 20 high-speed steel bits intended for drilling general-purpose materials (as listed: aluminum, cast iron, and steel) using the specified bit geometry and point angle. The bits use a conventional point type with a 118° point angle and a right-hand spiral direction, conform to ASME B94.11M-1993. The bits feature a bright, uncoated finish and come with a metal index case for organized storage.

  Key Features:
  

  • - Includes 20 drill bits in sizes #80 through #61
  • - High-speed steel construction with a 2-flute spiral design and a helix angle between 21° and 34°
  • - Jobber length
  • overall lengths are 3/4 inch to 1 5/8 inches depending on bit size
  • - The bits use a conventional point type with a 118° point angle for general-purpose drilling
  • - Straight shank type with a diameter of 27/2000 inch for secure chuck gripping
  • - Right hand cutting direction and spiral flute geometry
  • - Includes a metal drill index for storage and organization

Additional Information