ultimately there are loads of different methods you can use.

You have to bear in mind that composites generally will not take a thread and generally do not like point loading forces.

With that in mind, items like bighead fasteners are ideal as they solve both issues, however repair washers, home made bigheads etc can be equally as effective.

Warren Penalver
Easy Composites / Carbon Mods - Technical Support Assistant

Watch the EC bonnet making tutorial on the Tube ... part three deals with bonding on fasteners ...
I normally use home made ones.. I have a friend who Tig welds stainless bolt studs to small plates made from 1 - 2 mm stainless steel sheet

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Cannot stand riv nuts. For composites, always something along the lines of big head bonding fasteners. It's easy to make your own if you're on a budget

So you've made a bonnet? How does the factory one attach? If it needs a threaded insert, I would use a nutsert or a rivnut. 

Hi!