Bulkhead Union

Pneumatic Straight Bulkhead Push-In Fittings 4mm-12mm 1/8"-1/2"(thread size) Durable brass or nickel-plated fittings designed to pass air lines through panels or machine walls. They feature push-to-connect ends for quick tubing installation and lock nuts for secure mounting. Ideal for pneumatic systems in automation, packaging, and industrial applications.