High-Quality Copper Couplings - Made of 99.9% pure copper with excellent thermal conductivity and corrosion resistance, these straight coupling copper fittings ensure durable, long-lasting connections for HVAC and refrigeration systems.
Precision Size & Easy Installation - Inner diameter: 9.52mm (3/8"); Length: 17.2mm (0.68"); Thickness: 0.8mm. 3/8" ID copper coupling features sweat ends for secure soldering—simply clean and weld for a permanent, leak-proof seal.
Wide Application - 3/8" copper coupling fittings with sweat ends are ideal for connecting copper tubes in air conditioning, refrigeration, heating, and hydraulic systems. Perfect for repairs or redirecting pipelines in residential and commercial projects.
Secure & Stable Connection - Copper fittings have smooth, burr-free interiors and a dimple tube stop design prevents tube slippage, ensuring a firm fit and stable performance under pressure.Note: Please confirm the size before ordering
Reliable 5-Piece Set - 3/8" copper coupling fittings with sweat ends set includes 5 identical copper couplings (3/8" OD compatible) for multiple installations or replacements, providing convenience and value for professionals and DIYers.