> The windscreen frame is made of brass, so welding is out of the question.
> If you brase it, you will ruin the chrome. Check to see if there is
> someone who will provide a stud with a slightly larger threading. This
> design is still in use in a number of applications, including by BMW on
> their Z3s and Z4s. I have also seen it in use on boats.
>
I googled Tenax and found that there are two types of Tenax fastener - the
original, made in Germany and marked "GHE" on the head, and an English
version, that is not compatible with the German version ("Don't mention the
war - I did it once but I think I got away with it!" - Basil Fawlty). The
website that has the most info I could find on the German version is:
http://www.eagleday.com/eagleday/tefage.html. As you can see, there is only
one size machine screw version. However, the English version
(http://www.scalisemarine.com/fasteners1.htm) has a few extra bits of
hardware, such as the #21 peg base, that could be installed over the top of
the damaged hole. I suggest you try to determine which version you have
before you make a decision. I don't know what was originally installed.
Michael Marr
1960 TR3A
Naperville, IL
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