Thomas & Betts - Conduit Coupling: For EMT, Die Cast Zinc, 1/2″ Trade Size - 00155234 - MSC Industrial Supply
Sigma ProConnex 1/2-in Electrical (EMT) Zinc-plated Steel Compression Connector Conduit Fittings (5-Pack) in the Conduit Fittings department at Lowes.com
EMT FITTINGS – Tagged "Support" – Electrical Resource International