Quote Originally Posted by DJS View Post
This is a good article about tempering here.
You can also temper by dropping the hardened spring into molten lead (it will float) and then allow the lead to cool and solidify. Lift the spring off when cool enough and after a clean it's ready to use.
Daz
Thank you very much.

Yes some very useful information, I just need to get hold of some proper material for the job.
I will then have another attempt at making them!

Peter