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5/16" x 5/16"SH FLAT END CARB COUNTERBORE

HATL23420-C6 MFG #: 23420-C6
$66.30 / EA
.3125DIA NANO FLAT END COUNTERBORE
  • Bore Diameter: 0.3125 in
  • Country of Origin: US
  • Cutting Direction: Right Hand
  • Flute Type: Helical
  • Manufacturer Name: Harvey Tool
  • Material: Solid Carbide
  • Overall Length: 2.5in, 2-1/2 in
  • Shank Diameter: 0.3125in, 5/16 in
  • Type: Center Cut Flat Bottom
  • Number of Flutes: 4
  • Cutter Diameter Inch: 5/16in
  • Flute Length: 1in
  • Surface Treatment: C6
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  • Application
  • Item Features
Castings, Rounded Parts, Concaved, or Drafted Surfaces, Flat Bottom Reaming or Straightening Misaligned Holes
  • Flat bottom (no dish) design allows spot facing or counterboring on irregular surfaces
  • Ground with full cylindrical margin (not side cutting)
  • AlTiN Nano coating for superior performance in ferrous and difficult to machine materials
  • Applicable Materials are Aluminum, Non-Ferrous Metal, Cast Iron, Steel, Stainless Steel, Exotic Metal, Titanium, Plastic, Wood, Composites, Graphite, Hardened Alloys, Green (unfired)
  • Cutter Diameter 0.3125 in (5/16)
  • Flute Length 1.0000 in (1)
  • Profile Square