7/16-20 To 1/2-20 Unf, 0.276" Cutting Di
$368.04
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Go to the shop7/16-20 To 1/2-20 Unf, 0.276" Cutting Diam, 3 Flute, Solid Carbide Helical Flute Thread Millinternal Thread, 0.83" Loc, 2-1/2" Oal, 5/16" Shank Diam.