{"product_id":"pneumatic-push-in-fittings-4mm-16mm-hose-tube-quick-release-connectors","title":"Pneumatic Push-In Fittings — 4mm to 16mm Hose Tube Quick-Release Connectors","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right fitting size?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Match the hose OD (outer diameter) to the fitting size — e.g., a 6mm fitting accepts 6mm OD tubing. Then match the thread size to your port: 1\/8\\\" BSP\/NPT for small ports, 1\/4\\\" for standard air lines, 3\/8\\\" or 1\/2\\\" for higher-flow applications. When in doubt, measure your existing port with a thread gauge.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What working pressure can these fittings handle?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Pneumatic push-in fittings of this type are generally rated for working pressures up to approximately 150 PSI (10 bar) depending on hose size and material. Always verify the rated pressure for your specific variant before use in high-pressure systems.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these fittings suitable for outdoor or corrosive environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These fittings are typically constructed from nickel-plated brass or engineering-grade polymer bodies, which offer good resistance to moisture and mild corrosion. For harsh outdoor or chemical environments, confirm the material of your specific variant and consider additional sealing measures.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What thread standards are compatible?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Available thread options include BSP (British Standard Pipe), NPT (National Pipe Taper), and metric M5. BSP and NPT threads of the same nominal size are not interchangeable — check your equipment's thread standard before ordering. M5 variants are common on compact pneumatic cylinders and valves.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use these fittings for both air and fluid lines?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These push-in connectors are primarily designed for pneumatic (compressed air) applications. They are generally compatible with water and light oils in low-pressure scenarios, but suitability depends on the body material and seal type. Contact us to confirm compatibility for specific fluid media.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need any tools to connect or disconnect the tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No tools are needed to insert tubing — simply push the hose into the fitting until it clicks and seats. To release, press the collet ring inward while pulling the tube out. A wrench is needed only to thread the fitting body into the port.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Which hose types work with these push-in fittings?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These fittings are compatible with semi-rigid polyurethane (PU), nylon (PA), and polyethylene (PE) tubing with the matching outer diameter. Soft silicone or braided hoses are generally not suitable for push-in collet fittings.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003ePneumatic Push-In Fittings — Fast, Leak-Free Hose Connections from 4mm to 16mm\u003c\/h2\u003e\n    \u003cp\u003eDealing with slow, threaded hose connections that eat up time on every pneumatic setup? Whether you're building an air compressor line, routing tubing through a CNC machine, or assembling a fluid control system, the wrong connector can mean leaks, downtime, and frustration. These pneumatic push-in fittings are built for DIYers, machinists, and workshop professionals who need reliable, tool-free hose connections that hold under pressure.\u003c\/p\u003e\n    \u003cp\u003eEach fitting is a single straight push-in connector (joiner\/connector style) with a threaded male port on one end and a collet-style push-in socket on the other. Hose OD options range from 4mm (≈5\/32\") to 16mm (≈5\/8\"), with thread sizes spanning 1\/8\", 1\/4\", 3\/8\", 1\/2\", 3\/4\" BSP\/NPT, and M5 metric — available in multiple fitting size and thread combinations. Sold individually (1 pcs per order) so you can buy exactly what your project requires.\u003c\/p\u003e\n    \u003cp\u003eTypical applications include compressed air distribution lines, pneumatic cylinder and valve porting, workshop air tool quick-connect setups, and light-duty fluid transfer lines. Long-tail use cases like \"push-in air fitting for 8mm PU tube 1\/4 BSP\" or \"quick-release pneumatic connector for compressor hose\" are covered across the variant range.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e🔗\u003c\/span\u003e\n    \u003cstrong\u003eCompatibility Note:\u003c\/strong\u003e Match the fitting's hose OD to your tube's outer diameter, and the thread size to your port standard (BSP, NPT, or M5). BSP and NPT threads of the same nominal size are \u003cem\u003enot\u003c\/em\u003e interchangeable — verify your thread standard before ordering.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These Pneumatic Push-In Fittings\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eTool-Free Push-In Connection\u003c\/strong\u003e — Insert PU, nylon, or PE tubing with a single push; the collet grips and seals instantly for fast pneumatic hose assembly without clamps or crimping tools.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eWide Size Range (4mm–16mm Hose OD)\u003c\/strong\u003e — Covers the most common pneumatic tubing diameters used in workshops, automation systems, and air tool setups, reducing the need to stock multiple connector types.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMultiple Thread Options\u003c\/strong\u003e — Available in 1\/8\", 1\/4\", 3\/8\", 1\/2\", 3\/4\" BSP\/NPT and M5 metric to match standard pneumatic ports on cylinders, valves, manifolds, and compressor outlets.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eDurable Fitting Body\u003c\/strong\u003e — Constructed from nickel-plated brass or engineering-grade polymer (varies by variant), offering resistance to moisture, vibration, and the mechanical stress typical of compressed air systems.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eQuick-Release Collet Design\u003c\/strong\u003e — Press the collet ring to release tubing without cutting or damaging the hose, making reconfiguration and maintenance of air lines straightforward.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎯\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eBuy Exactly What You Need\u003c\/strong\u003e — Sold as individual pieces (1 pcs), so you can order the precise fitting size and thread combination your project calls for without paying for a kit of sizes you won't use.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — Pneumatic Push-In Hose Fittings\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eFitting Type\u003c\/th\u003e\n\u003ctd\u003eStraight Push-In Connector (Male Thread × Push-In Socket)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHose OD Range\u003c\/th\u003e\n\u003ctd\u003e4mm (≈5\/32\") — 16mm (≈5\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Sizes Available\u003c\/th\u003e\n\u003ctd\u003e1\/8\", 1\/4\", 3\/8\", 1\/2\", 3\/4\" BSP\/NPT; M5 metric\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Tubing\u003c\/th\u003e\n\u003ctd\u003ePU (polyurethane), PA (nylon), PE (polyethylene) — semi-rigid\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorking Pressure\u003c\/th\u003e\n\u003ctd\u003eTypically up to 150 PSI (≈10 bar) — see variant details to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBody Material\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eConnection Method\u003c\/th\u003e\n\u003ctd\u003ePush-in collet with quick-release ring\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eBSP \/ NPT \/ M5 — select variant for specific standard\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    \u003cstrong\u003eSpec Confirmation:\u003c\/strong\u003e Body material and exact pressure rating vary by fitting size. If your application is safety-critical or involves fluids other than compressed air, please contact us to confirm specifications before ordering.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-faq\"\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right fitting size?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMatch the hose OD (outer diameter) to the fitting size — e.g., a 6mm fitting accepts 6mm OD tubing. Then match the thread size to your port: 1\/8\" for small ports on compact valves, 1\/4\" for standard air lines, 3\/8\" or 1\/2\" for higher-flow applications, and 3\/4\" for large-bore systems. When in doubt, measure your existing port with a thread gauge or check your equipment's manual. For metric ports, the M5 variant is common on small pneumatic cylinders.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat working pressure can these fittings handle?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePneumatic push-in fittings of this type are generally rated for working pressures up to approximately 150 PSI (10 bar), though this can vary by hose size and body material. Smaller fittings (4mm–6mm) may have lower pressure ratings than larger sizes. Always verify the rated pressure for your specific variant before use in high-pressure or safety-critical systems.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these fittings suitable for outdoor or corrosive environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese fittings are typically constructed from nickel-plated brass or engineering-grade polymer, both of which offer good resistance to moisture and mild corrosion in workshop environments. For prolonged outdoor exposure, chemical media, or highly corrosive atmospheres, we recommend confirming the specific body material of your chosen variant and considering additional thread sealant (e.g., PTFE tape) on the threaded connection.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat thread standards are compatible — BSP or NPT?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eAvailable thread options include BSP (British Standard Pipe), NPT (National Pipe Taper), and metric M5. BSP and NPT threads of the same nominal size (e.g., 1\/4\") are \u003cstrong\u003enot\u003c\/strong\u003e interchangeable — they have different thread angles and pitch. Check your equipment's thread standard before ordering. Most US-made compressors and air tools use NPT; European and Asian equipment typically uses BSP. If unsure, contact us with your equipment make and model.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use these fittings for water or fluid lines, not just air?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese push-in connectors are primarily designed for pneumatic (compressed air) applications. They are generally compatible with water and light, non-aggressive oils at low pressure in many cases, but suitability depends on the body material and internal seal compound of the specific variant. For fluid media other than air, contact us to confirm compatibility before ordering.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDo I need any tools to connect or disconnect the tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eNo tools are needed to insert tubing — simply push the hose straight into the fitting until it seats and the collet grips. To release, press the collet ring inward toward the fitting body while simultaneously pulling the tube out. A wrench is only needed to thread the fitting body into the equipment port during initial installation. This makes reconfiguring air lines fast and easy without cutting hose.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhich hose or tubing types are compatible with these push-in fittings?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese fittings are designed for semi-rigid tubing: polyurethane (PU), nylon\/polyamide (PA), and polyethylene (PE) with the matching outer diameter. The collet mechanism requires the tube wall to be firm enough to resist the collet teeth. Soft silicone hose, braided reinforced hose, or corrugated tubing are generally not suitable for push-in collet fittings and may result in leaks or pull-out under pressure.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I know if the fitting will seal properly without leaking?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eFor a leak-free push-in connection: (1) ensure the tube end is cut cleanly and squarely — a diagonal cut will prevent proper seating; (2) push the tube in firmly until it bottoms out; (3) apply PTFE tape to the male thread before installation. After assembly, test at low pressure first and check for leaks with soapy water before full-pressure operation.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your fitting size and thread size above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"4mm（Thread 1\u00268\"） \/ 1 pcs","offer_id":52336066199826,"sku":"WSS095995x1","price":2.0,"currency_code":"USD","in_stock":true},{"title":"4mm（Thread 1\u00264\"） \/ 1 pcs","offer_id":52336066232594,"sku":"WSS095996x1","price":2.77,"currency_code":"USD","in_stock":true},{"title":"6mm（Thread M5） \/ 1 pcs","offer_id":52336066265362,"sku":"WSS095997x1","price":2.77,"currency_code":"USD","in_stock":true},{"title":"6mm（Thread 1\u00268\"） \/ 1 pcs","offer_id":52336066298130,"sku":"WSS095998x1","price":2.77,"currency_code":"USD","in_stock":true},{"title":"6mm（Thread 1\u00264\"） \/ 1 pcs","offer_id":52336066330898,"sku":"WSS095999x1","price":2.77,"currency_code":"USD","in_stock":true},{"title":"6mm（Thread 3\u00268\"） \/ 1 pcs","offer_id":52336066363666,"sku":"WSS096000x1","price":2.77,"currency_code":"USD","in_stock":true},{"title":"6mm（Thread 1\u00262\"） \/ 1 pcs","offer_id":52336066396434,"sku":"WSS096001x1","price":5.44,"currency_code":"USD","in_stock":true},{"title":"8mm（Thread 1\u00268\"） \/ 1 pcs","offer_id":52336066429202,"sku":"WSS096002x1","price":2.77,"currency_code":"USD","in_stock":true},{"title":"8mm（Thread 1\u00264\"） \/ 1 pcs","offer_id":52336066461970,"sku":"WSS096003x1","price":2.77,"currency_code":"USD","in_stock":true},{"title":"8mm（Thread 3\u00268\"） \/ 1 pcs","offer_id":52336066494738,"sku":"WSS096004x1","price":2.77,"currency_code":"USD","in_stock":true},{"title":"8mm（Thread 1\u00262\"） \/ 1 pcs","offer_id":52336066527506,"sku":"WSS096005x1","price":5.32,"currency_code":"USD","in_stock":true},{"title":"10mm（Thread 1\u00268\"） \/ 1 pcs","offer_id":52336066560274,"sku":"WSS096006x1","price":2.77,"currency_code":"USD","in_stock":true},{"title":"10mm（Thread 1\u00264\"） \/ 1 pcs","offer_id":52336066593042,"sku":"WSS096007x1","price":2.77,"currency_code":"USD","in_stock":true},{"title":"10mm（Thread 3\u00268\"） \/ 1 pcs","offer_id":52336066625810,"sku":"WSS096008x1","price":2.77,"currency_code":"USD","in_stock":true},{"title":"10mm（Thread 1\u00262\"） \/ 1 pcs","offer_id":52336066658578,"sku":"WSS096009x1","price":5.24,"currency_code":"USD","in_stock":true},{"title":"12mm（Thread 1\u00268\"） \/ 1 pcs","offer_id":52336066691346,"sku":"WSS096010x1","price":2.77,"currency_code":"USD","in_stock":true},{"title":"12mm（Thread 1\u00264\"） \/ 1 pcs","offer_id":52336066724114,"sku":"WSS096011x1","price":5.09,"currency_code":"USD","in_stock":true},{"title":"12mm（Thread 3\u00268\"） \/ 1 pcs","offer_id":52336066756882,"sku":"WSS096012x1","price":4.98,"currency_code":"USD","in_stock":true},{"title":"12mm（Thread 1\u00262\"） \/ 1 pcs","offer_id":52336066789650,"sku":"WSS096013x1","price":5.39,"currency_code":"USD","in_stock":true},{"title":"14mm（Thread 1\u00262\"） \/ 1 pcs","offer_id":52336066822418,"sku":"WSS096014x1","price":5.92,"currency_code":"USD","in_stock":true},{"title":"16mm（Thread 3\u00268\"） \/ 1 pcs","offer_id":52336066855186,"sku":"WSS096015x1","price":5.82,"currency_code":"USD","in_stock":true},{"title":"16mm（Thread 1\u00262\"） \/ 1 pcs","offer_id":52336066887954,"sku":"WSS096016x1","price":5.82,"currency_code":"USD","in_stock":true},{"title":"16mm（Thread 3\u00264\"） \/ 1 pcs","offer_id":52336066920722,"sku":"WSS096017x1","price":7.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture4of29_97c7f845-8b18-44d3-ba96-a55a165447c9.jpg?v=1781511219","url":"https:\/\/homediyer.com\/de\/products\/pneumatic-push-in-fittings-4mm-16mm-hose-tube-quick-release-connectors","provider":"HomeDIYer","version":"1.0","type":"link"}