Description
Material: Cobalt
Overall length: 5.50 inch
Drill diameter: 0.4375 inch (7/16)
Drilling length: 3.25 inch
Manufactured from high speed steel cobalt makes these drills harder and tougher than standard high speed steel jobber drills.
This allows for greater longevity, combined with a 135 degree split point, these are an excellent choice for general drilling applications.
