Counterbore, 1/64 Clearance, Size 1/4, Co

KEO| Zoro #: G1279327| Mfr #: 55216

$56.59 /ea

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Overall Length (In.): 4-1/2Bore Dia. (In.): 0.398Shank Dia. (In.): 5/16
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Zoro #: G1279327 Mfr #: 55216
Overall Length (In.): 4-1/2Bore Dia. (In.): 0.398
Shank Dia. (In.): 5/16Style: 1/64" Clearance
Screw Type: Socket Head Cap ScrewPackage Quantity: 1
Pilot Dia. (In.): 0.265Screw Size: 1/4"
Pilot Length (In.): 5/16Number of Flutes: 3
Type: Built-In PilotApplication: For Use In Alloys, Cast Iron, Stainless Steel And Titanium
Number of Pieces: 1Item: Counterbore
Material: Cobalt SteelCountry of Origin (subject to change): United States


  • Precision 3-Flute Cap Screw Kounterbres
  • Integral Pilot, Straight Shank, CNC Precision Ground, Cobalt HSS ~ Micro-smooth CNC precision smooth counterboring. ~ M35 Cobalt: HSS , 6% Tungsten, 5% Moly, 5% Cobalt - long tool life in all types of materials. ~ High performance cutting action due to secondary relief behind cutting edge margin. ~ Optimized helix for chip evacuation - chips flow away from cut without wrapping around the tool.