MSC 302-0.5512 Solid Pilot Counterbore: 0.8465" Dia, 0.5709" Pilot, 4 Flutes
Solid Pilot Counterbore: 0.8465" Dia, 0.5709" Pilot, 4 Flutes Socket-Head Cap Screw Compatible, 3/16" Shank Dia, 7-5/8" OAL, High Speed Steel
$132.14