{"product_id":"1-4-npt-quick-coupling-connector-air-compressor-pneumatic-fitting","title":"1\/4 NPT Quick Coupling Connector | Air Compressor Fitting","description":"\n\u003ch2\u003e1\/4 NPT Pneumatic Quick Coupling Connector for Air Compressors\u003c\/h2\u003e\n\u003cp\u003eKeep your air compressor setup running smoothly with this durable \u003cstrong\u003eUS Standard Quick Coupling Connector\u003c\/strong\u003e. Featuring a 1\/4 NPT thread size, this pneumatic fitting is available in both male and female thread options, making it easy to connect or expand your air tool system with confidence.\u003c\/p\u003e\n\n\u003cp\u003eCrafted from solid iron with a copper-plated finish, this quick-release coupler delivers reliable rust resistance and a polished gold appearance. The secure push-to-connect design allows for fast, tool-free attachment and detachment of air lines — ideal for workshops, garages, and job sites alike.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUS Standard Type:\u003c\/strong\u003e Compatible with standard American pneumatic fittings and air compressor systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1\/4 NPT Thread:\u003c\/strong\u003e Standard 12.5mm thread size fits most air hoses and compressor outlets\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMale \u0026amp; Female Options:\u003c\/strong\u003e Choose the thread type that suits your setup\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCopper-Plated Iron Construction:\u003c\/strong\u003e Rust-resistant finish for long-lasting durability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Size:\u003c\/strong\u003e Approx. 53mm × 23mm (2\" × 0.9\") — fits neatly into any workspace\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuick-Connect Design:\u003c\/strong\u003e Fast, secure connection and disconnection of air lines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIron with copper plating\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGold\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4 NPT (12.5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 53mm × 23mm \/ 2\" × 0.9\"\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMale Thread \/ Female Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuitable For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAir Compressors\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Pneumatic Quick Coupling Fitting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease allow for slight measurement deviations (±1–3mm) due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eActual color may vary slightly from product images depending on monitor settings and lighting conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What thread size does this pneumatic quick coupling connector use?\u003c\/h4\u003e\n\u003cp\u003eA: This fitting uses a 1\/4 NPT (National Pipe Taper) thread size, measuring approximately 12.5mm. It follows the US Standard specification and is compatible with most standard air compressor hoses and pneumatic tools.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between the male thread and female thread versions?\u003c\/h4\u003e\n\u003cp\u003eA: The male thread version has external threads designed to screw into a female-threaded port on your air hose or compressor outlet. The female thread version has internal threads and is designed to receive a male-threaded fitting. Choose the option that matches your existing air compressor connection.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this pneumatic fitting rust-resistant?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The fitting is made from iron with a copper-plated surface treatment, giving it both a attractive gold finish and strong rust resistance for long-term use in workshop or garage environments.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many fittings come in one order?\u003c\/h4\u003e\n\u003cp\u003eA: Each order includes 1 pneumatic quick coupling connector. If you need multiple fittings for your air system, simply adjust the quantity before adding to your cart.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What thread size does this pneumatic quick coupling connector use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This fitting uses a 1\/4 NPT (National Pipe Taper) thread size, measuring approximately 12.5mm. 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