Wet tumbling brass without stainless steel pins?

Do we need to use stainless steel pins when we wet tumble our brass?

I previously gave a short walk through of how I clean my brass by wet tumbling with stainless steel pins and the the Chicago Electric Dual Drum Rotary Rock Tumbler from Harbor Freight here: https://youtu.be/HSqDSDfpoPY

http://www.sleepinggiantbrass.com/

-----
Join the conversation with the rest of the online shooting, reloading, and bullet casting community!
The Reloaders Network: http://www.thereloadersnetwork.com

Will make videos for bacon: https://www.patreon.com/LoadsofBacon
Tip jar: https://www.paypal.me/LoadsofBacon