Short Series Threaded Shank Adapter Drills
  usamich

High Speed Steel & Cobalt

1/4-28 Threaded Shank – 135° Split Point
National Aerospace Standard (NAS965).
Generally used in portable angle drilling tools, or offset drills and allow access
to space-restricted areas. Threading provides a secure fit in the tool holder.

 

 

Cobalt Threaded Shank Adapter Drills
H.S. Threaded Shank Adapter Drills