• Precision ground shanks
  • Three lengths for each minimum bore size
  • High quality alloy steel for greater rigidity
  • Carbide tip ground square with shank for flat bottom boring
  • Offset taper to provide greater rigidity at cutting point



OAL:3-1/8" - 6-1/2"
Tool No.:PD7S, PD7M, PD7L, PD9S, PD9L, PD9M, PD11S, PD11M, PD11L, PD13S, PD13M, PD13L
Max Bore:1-1/8" - 4-1/2"
Min. Bore:7/16"-13/16"

WARNING: This product contains Cobalt, a chemical known to the State of California to cause cancer. For more information go to