Hex Couplings, 1/2″ NPT Male To Male Brass Hex Nipple Adapters, Brass Pipe Extension Fittings for Oil/Air/Water/Gas Systems. (2 Pack)

Premium Brass Pipe Connectors :These brass couplers create straight-line connections between matching pipes. The reinforced hexagonal design delivers superior grip strength for leak-proof performance in plumbing repairs, automotive fuel lines, or high-pressure air systems.
Built to Last: Crafted with heavy-duty brass, these fittings deliver superior rust resistance and reliable performance in extreme heat or freezing conditions. Their precision-engineered design ensures airtight sealing across plumbing systems and automotive fuel lines,while non-magnetic properties protect sensitive equipment.
Clear Threads: These brass connectors feature deep-cut threads with polished surfaces, creating secure seals that resist loosening from vibration or pressure changes. The advanced threading design ensure a leak-free connection every time.
Universal Brass Couplers: Ideal for bridge professional and DIY needs, these corrosion-resistant couplings deliver airtight performance across liquid and gas systems. Their heavy-duty construction withstands thermal cycling and mechanical stress in residential plumbing upgrades, garage hydraulic tools, and outdoor fuel transfer setups.
Operating Conditions: These brass fittings can withstand operating temperatures ranging from minus 65 degrees F to plus 212 degrees F and have a working pressure of up to 300 PSI.