3/8" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 1/4" Shank Diameter, 3 Flutes, 2 3/8" OAL, (.375" Diameter), 52212, USA Made

About this item

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• For counterboring and spotfacing in applications where machine requires a smaller shank
• 1/64" Corner Radius, Tool Diameter Tolerance: +.001"/-0". Shank Diameter Tolerance: +0"/-.001"
• Pilot Hole Diameter:3/32, If using a pilot this is the shank diameter of the pilot you should choose
• Minimum Cut Diameter: .125" Because there is a pilot hole the tool will not cut below this diameter.
• Set screw to hold a pilot or drill bit in place (if you are using a pilot or drill bit)