New, unused drill bit.
1/2".
3 1/2 flute. 6" overall length.
Die drill — negative angle cutting edge.
118° included point.
USE:
For drilling hardened steel in the range of 35 to 65 Rockwell C.
Flood the cutting point with coolant.
Clear chips frequently.
Light feed with steady pressure.
Will cut without annealing the workpiece