Alvord Polk 03081 Solid Pilot Counterbore: 0.2953" Dia, 0.1772" Pilot
Solid Pilot Counterbore: 0.2953" Dia, 0.1772" Pilot 0.1575" Socket-Head Cap Screw Compatible, 1/4" Shank Dia, 5" OAL, High Speed Steel (MOQ=1, Pkg Qty=1)
Not Cancelable or Returnable!