Be careful to check modern head sizes against original.
We have recently finished rivetting new floors and sponsons in a Ram tank and the modern rivet head on a 3/4" dia rivet is smaller than that used during the war.
I purchased an original 1945 dated pneumatic hammer and sets from the USA and these tools suit the modern rivets perfectly but they are a little small in the head. Not a problem if you do not mix old and new!
I did make my own sets for 1/2" and 3/8" out of EN24T and they worked a treat. These can of course be made to suit any original head size.
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Adrian Barrell
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