Has anyone tried Brass cartridge mounting screws?

The screws should have two properties: making rigid connection
possible and being non-magnetic. Both are provided by brass kinds. 

I am very reluctant to support any myths but I own the latest Benz
LP mr with  ''huge'' broze insert by screws threads . The designer&
owner by Benz is the old grandmaster Lukaschek with irreproachable
reputation. Then , obviously, all brass instruments are made from...