Hi-Lok / Hi-Lite
✓ Owner approvedX = 1st O/S · Y = 2nd O/S
Hi-Lok oversize suffixes
Nominal and first oversize use the same countersink
Quick-reference boundary
Do not select, install or substitute a fastener from this page alone. Confirm the complete part number, diameter, grip, material, finish, head style, effectivity and approved application against current controlled aircraft data and company procedures.