NAS 12-point (double-hex) head bolt, 1/4-28 thread, 1" grip. Titanium alloy Ti-6Al-4V. Weight-critical primary structure fastener for engine mounts and airframe high-cycle joints.
| Material | Titanium Alloy Ti-6Al-4V |
| Finish | Dry Film Lube |
| Thread | 1/4-28 |
| Size | 1/4" |
| Diameter | 1/4" |
| Grip Length | 1" |
| Pack Qty | 10 pieces |
| Spec Type | NAS |
| 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