Cobalt Drill Bits
Cobalt Drill Bits
Screw Machine (Stub) Length Cobalt Drill Bits
Screw Machine (Stub) Length Cobalt Drill Bits
These Screw Machine, or Stub, Length drill bits are designed for applications where increased hole accuracy and extended tool life is required. This is achieved by the shorter length as compared to other drill bits which provides maximum rigidity.
Spotting Cobalt Drill Bits
Spotting Cobalt Drill Bits
These Spotting Drill Bits are stub length and are designed to be extremely rigid so that they can precisely spot a hole for a twist drill. The goal is use the spot drill to make a little dimple in the workpiece that keeps the twist drill from walking so that the hole winds up in the right place.