#3 Conduit Hanger with Bolt, Zinc Plated Steel
https://nsiindustries.com/product/3-conduit-hanger-with-bolt-zinc-plated-steel/
Size #3 Steel Conduit Hanger with Bolt for securing 1-1/2” electrical metallic tubing (EMT) or 1-1/4″ rigid conduit to threaded rod, insulator supports or directly to a mounting surface. Each hanger comes with a 50 lb load rating.