500a Shunt Question

You can use stainless steel studs, nuts, and lock washers just fine. Electrical terminals get stacked one atop another against the brass shunt block. The fastener carries 0.00 current. This is the way professionals do it. NONE of my high dollar Manganin shunts arrived with anything but stainless steel hardware. Take a look how Blue Seas makes their stuff. Brass and stainless steel get along just fine, not so with aluminum. 18-8 stainless will not strip as easily as cheap brass. I choose studs with SAE threads for the nuts. FAR less likely to loosen due to thermal flexing.