SCREW: CAP ST HEX HD (P/N 418-420) - New Surplus

The 418-420 is a steel hex head cap screw for aircraft structural assemblies. This fastener secures airframe brackets, equipment mounts, and mechanical joints where reliable clamping force and precise torque application are required. The hex head design provides wrench engagement for controlled installation and maintenance.

Installation requires correct grip length selection and torque per the aircraft maintenance manual and applicable aerospace standards. Verify part compatibility with the aircraft's Illustrated Parts Catalog before use.

What is the SCREW: CAP ST HEX HD (P/N 418-420)?

The 418-420 is a steel hex head cap screw for aircraft structural assemblies. This fastener secures airframe brackets, equipment mounts, and mechanical joints where reliable clamping force and precise torque application are required.

What conditions is the 418-420 available in?

The 418-420 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 418-420?

The 418-420 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 418-420?

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.