*Actual Product May Vary In Store

Case hardened head only for extra durability and to protect them from wear due to constant use Ball check in the head prevents dirt and grit from getting into the fitting Heavier wall thickness for extra strength Zinc-plated with yellow passivated finish, for maximum protection against corrosion Stress relieved and tempered carbon steel spring Every fitting is individually inspected and batch tested to 8000 psi for industrial-grade and to 5000 psi for commercial-grade Unlike other mass produced fittings which are fully hardened only the tip is case hardened on lumax fittings, this proprietary process safeguards the female threads and protects the entire female part from being damaged Thread rolled taper threads