550ASP Heavy-Duty Cobalt Straw Jobber-Length Drill Bit, 0.4375 in dia Cutting, 5.5 in OAL, 7/16 in

Chicago-Latrobe® 550ASP Heavy-Duty Cobalt Straw Jobber-Length Drill Bits

Description

  • Heavy-duty construction for drilling in tough, high-tensile, and work-hardening materials
  • Manufactured from premium cobalt high-speed steel
  • Straw finish adds lubricity and easily identifies cobalt drills
  • 135° P3 split point is self-centering for reduced thrust and easier penetration
  • Sizes smaller than 0.0625 inch do not have split point

Specification

Brand