BOLT, MACHINE (P/N an8-20) - New Surplus

The AN8-20 is a hex head airframe bolt with 1/2-inch diameter and 20 threads per inch (UNF). Manufactured from alloy steel with a drilled shank for cotter pin retention, this bolt conforms to AN8 specifications for aircraft structural assemblies. Used in airframe joints requiring a 1/2-inch fastener, the AN8-20 installs with a locknut or cotter pin and must be torqued per aircraft maintenance manual specifications.

The drilled shank design provides positive locking capability in vibration-prone environments typical of aviation applications.

What is the BOLT, MACHINE (P/N an8-20)?

The AN8-20 is a hex head airframe bolt with 1/2-inch diameter and 20 threads per inch (UNF). Manufactured from alloy steel with a drilled shank for cotter pin retention, this bolt conforms to AN8 specifications for aircraft structural assemblies.

What conditions is the an8-20 available in?

The an8-20 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.

How do I get pricing for the an8-20?

The an8-20 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.

Do you offer expedited shipping for the an8-20?

Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.