6 Pcs. Precision Twist Letter "O" M42CO Heavy Duty Cobalt Stub Drills

6 Pcs. Precision Twist Drill Brand New List M42CO Letter "O" (0.3160) Cobalt Stub or Screw Machine Length Drills

Manufactured to National Aerospace Standard 907. 135 Deg. split point is self-centering and reduce thrust. Ideal for portable or machine drilling. Short, rugged construction performas well in broad range of materials in the iron and steel famillies. Screw machine drills are popular in the automotive and construction industries. They are often used in screw machine set-ups where spindle clearance is limited.