How to Choose a Counterbore

Counterbores create flat-bottom recesses for socket-head screws and other fasteners.

Counterbores for professional work

Cutting Tools Outlet organizes this selection by tool type, size, material and application so machinists, fabricators, maintenance teams, contractors and purchasing departments can reach the right configuration faster.

  • Match the pilot, shank and counterbore diameter to the fastener.
  • Confirm the required recess depth.
  • Use the correct counterbore style for the machine and workpiece.

Related tool types: Counterbores.

Material coverage: Steel Cutting Tools.

Common applications: Hole Finishing Tools.

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