Hardware

Question:

What bolt should be used to secure an alternator strap to the starter's alternator boss?

Answer:

Thread: 5/16-18

MS20074-05-06

Why such an odd (expensive, hard to find...) bolt?

You'll find that all threaded holes in aluminum on aircraft engines are coarse threaded.

Tapped holes in aluminum should never be fine threaded in engine applications (or so we've been told).

Where do I buy it?

This just in from a customer: try

http://www.gen-aircraft-hardware.com/

Thank you, David for the tip!

What does it look like?