Item Code: 23409
Brand: Harvey Tool
Mfg Part #: 23409
Unit Size: 1


9/64 Inch (.1406 Inch) Diameter x 9/16 Inch Flute Length, 4 Flutes, Carbide Flat Bottom Counterbore

Flat bottom (no dish) design allows spot facing or counterboring on irregular surfaces. Ideal for castings, rounded parts, concaved, or drafted surfaces. Can be used for flat bottom reaming or straightening misaligned holes.


  • Center cutting
  • Ground with full cylindrical margin (not side cutting)
  • 15° helix
  • 4 flutes
  • Solid carbide
  • CNC ground in the USA

Tech Specs

Angle 15°
Coating Uncoated
Cutter Diameter .1406 Inch (9/64)
Length of Cut 9/16 Inch
Number of Flutes 4
Overall Length 2 Inch
Profile SQUARE
Shank Diameter 3/16 Inch


WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov