Countersink Cutters

A Countersink Cutter, or Countersink Bit is used to cut or enlarge a conical edge to a pre-drilled hole, usually in metal. A fluted countersink cutter is used to provide a heavy chamfer in the entrance to a drilled hole.


Common applications of Countersink Cutters are:

  • • Machining
  • • Metalworking
Search All Countersink Cutters

Countersink Cutters Diameters

Countersink Cutters are available on the FCH Network with Imperial/US diameters that range from #0 to 6 and with Metric diameters that range from M4 to M24.

Click on the diameters below to view or Search All Countersink Cutters
US/Imperial diameters
Metric diameters
Countersink Cutters Lengths

Countersink Cutters are available on the FCH Network with lengths that range from 3/16 to 9.

Click on the lengths below to view or
Search All Countersink Cutters
US/Imperial lengths
Metric lengths
Countersink Cutters Materials

Countersink Cutters are available on the FCH Network in materials that range from Steel to Nylon (Polyamide)

Click on the materials below to view or Search All Countersink Cutters
Countersink Cutters Finishes

Countersink Cutters are available on the FCH Network in finishes or coatings that range from Plain to Silver Plated

Click on the finishes below to view or Search All Countersink Cutters
Search All Countersink Cutters