These superb caps are made by Newton Equipment in London, England to the very highest standards.
We developed that contact with special fittings for the aircraft industry to become their largest single market. We supply a large range of N-E caps and are their sole aeronautical distributor but only supply OEM customers direct.
The centres are forged from 6063 billet or from 6082 and then polished and anodised. The flanges are diamond turned and again polished and anodised. You can see the range of automotive caps on the Newton Equipment web site.
Smaller volumes are available from 'Spruce, Wicks, and many kit companies.
We stock and supply the Aero range of caps to the aircraft industry, usually in specialist flanges designed to suit our customers applications.
Aero caps are used by all the 'new generation' and almost all the worlds other light aircraft.