HSS Stub Drills, Fractional, Qualtech

HSS Stub Drills, Fractional, Qualtech

  • Screw machine drills are also know as stub or stubby drills
  • Short, rugged construction performs well in a broad range of materials. 
  • A dependable, general purpose drill designed to perform in a broad range of materials in the iron and steel families
  • Manufactured to National Aerospace Standard 907
  • 135 degree split point tip for self-centering and reducing thrust. Compared to a conventional 118 degree tip, these drills wont go "walking" on you.
  • Ideal for portable or machine drilling
  • Popular in the automotive and construction industries. They are often used in screw machine setup where spindle clearance is limited.