... Coupling Nuts Trade size: 1/2"-- 4" UL 514B Material: Zinc Apply: Rigid or IMC conduit, threaded fittings UL Zinc Coupling ... & FITTINGINTERMEDIATE METAL CONDUIT, RIGID METAL CONDUIT, ELBOW, COUPLING, CONDUIT BUSHING, STRAP, PULL ELBOW, NIPPLE, REDUCING ... CONDUIT, COMBINATION CONNECTOR, LIQUID TIGHT CONNECTOR, FLEX CONDUIT COUPLING, SQUEEZE CONNECTORBS4568 CONDUIT & FITTINGBS4568 CONDUIT, MALLEABLE IRON ...