Alvord Polk 03082 Solid Pilot Counterbore: 0.3543" Dia, 0.2165" Pilot
Solid Pilot Counterbore: 0.3543" Dia, 0.2165" Pilot 0.1969" Socket-Head Cap Screw Compatible, 5/16" Shank Dia, 5-5/8" OAL, High Speed Steel (MOQ=1, Pkg Qty=1)
Not Cancelable or Returnable!