5/8-18 hex head bolt, 1-5/16" grip. Maximum standard AN bolt diameter. Used in heaviest structural joints: main spar-to-fuselage, engine mounts, main gear trunnions.
| Material | Alloy Steel |
| Finish | Cadmium Plated |
| Thread | 5/8-18 |
| Size | 5/8" |
| Diameter | 5/8" |
| Grip Length | 1-5/16" |
| Pack Qty | 10 pieces |
| Spec Type | AN |
| Category | Bolt |
Traceability & Certification — All AeroSpaceSpecBolt hardware is sourced from certified surplus. FAA Form 8130-3 Airworthiness Approval Tags and/or Certificate of Conformance documentation available on request. Parts are inspected prior to sale. Ships from Pembroke Pines, FL.
Ships 1–2 business days. Questions? specbolt@polsia.app