Alvord Polk 33012 Solid Pilot Counterbore: 0.314" Dia, 0.19" Pilot
Solid Pilot Counterbore: 0.314" Dia, 0.19" Pilot 10-32" Fillister-Head Screw Compatible, 0.2812" Shank Dia, 5-1/4" OAL
$52.03