Cast Lead Thread ?

[rupert]

@T.FOYE: I am using scrap litho plates which I bought from a metal scrap dealer. The plate measures 0.012" in thickness. I believe that is the standard thickness for litho plate in NZ. There is a member on the cast bullet website Castbullits.com who has been making/selling gas check makers for some years. That is the system I have begun using. I bought the gas check maker second hand from Trademe. The aluminium cans are a bit thin for the tools I have, 0.004". I tried a double layer but did not have any success in making gas checks from the 0.004 x 2 layers.