{"product_id":"mini-pneumatic-elbow-fittings-push-in-hose-barb-male-thread","title":"Mini Pneumatic Elbow Fittings — Push-In Hose Barb to Male Thread Connectors (3mm–6mm OD, M3–M6)","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 hose OD and thread size?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure your tubing's outer diameter (OD) — typically 3mm (≈1\/8\\u2033), 4mm (≈5\/32\\u2033), or 6mm (≈1\/4\\u2033) — and match it to the hose OD option. Then match the male thread to your port: M3, M4, M5, or M6. When in doubt, check the thread pitch with a thread gauge before ordering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the maximum working pressure these fittings can handle?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Mini push-in pneumatic fittings of this type generally support working pressures up to approximately 0.8–1.0 MPa (115–145 psi) under normal operating conditions. Always verify the rated pressure for your specific application before use.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can these fittings be used outdoors or in humid environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These fittings are typically made from engineering-grade plastic (such as POM or nylon) with brass or stainless internals, which generally offers good resistance to moisture. However, prolonged UV exposure or chemical contact may degrade performance. For harsh outdoor environments, confirm material compatibility before installation.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these fittings compatible with standard metric pneumatic tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — the hose OD options (3mm, 4mm, 6mm) are standard metric pneumatic tubing sizes widely used in automation, robotics, and DIY air systems. The male threads (M3–M6) follow standard metric coarse thread specifications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need thread sealant or PTFE tape?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For metal-to-metal or metal-to-plastic threaded connections, applying PTFE tape to the male thread is generally recommended to ensure a leak-free seal, especially in pressurized air systems. This is a standard best practice for pneumatic fittings.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I release the tubing from a push-in fitting?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"To release the tube, depressurize the line first, then press the collet ring (the outer ring at the tube entry) inward while simultaneously pulling the tube out. Avoid pulling the tube without pressing the collet, as this can damage the internal gripper teeth.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What tubing materials are compatible with these fittings?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These push-in fittings are generally compatible with semi-rigid pneumatic tubing such as polyurethane (PU), nylon (PA), and polyethylene (PE) in the matching OD size. Soft silicone tubing is typically not recommended as it may not grip securely in the collet.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eMini Pneumatic Elbow Fittings — Push-In Hose Barb to Male Thread for Tight-Space Air Line Routing\u003c\/h2\u003e\n    \u003cp\u003eRouting compressed air lines through compact assemblies, robotics enclosures, or DIY pneumatic rigs often means fighting for space around every corner. These mini pneumatic elbow fittings are designed for exactly that challenge — delivering a reliable 90° push-in connection between small-bore tubing and threaded ports without the bulk of standard fittings.\u003c\/p\u003e\n    \u003cp\u003eEach fitting connects a push-in hose barb (hose OD: 3mm ≈ 1\/8\", 4mm ≈ 5\/32\", or 6mm ≈ 1\/4\") to a metric male thread (M3, M4, M5, or M6). The body is constructed from engineering-grade plastic with internal metal collet and O-ring components for a secure, leak-resistant grip. Available individually or in value packs of 5 or 10 pieces.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include pneumatic actuator plumbing in 3D printers and CNC machines, air line connections in small automation panels, and DIY compressed air tool setups where space-saving elbow connectors for metric tubing are essential.\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:\u003c\/strong\u003e Fits standard metric pneumatic tubing (PU, PA, PE) in 3mm, 4mm, and 6mm OD. Male thread options: M3, M4, M5, M6 metric coarse. Verify your port thread and tubing OD before ordering.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These Mini Pneumatic Elbow 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\u003e90° Elbow Design\u003c\/strong\u003e — Redirects air lines at a right angle, ideal for routing push-in hose connectors in confined spaces where straight fittings won't fit.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003ePush-In Quick Connect\u003c\/strong\u003e — Tool-free tube insertion with a collet-and-O-ring mechanism; tube locks in place instantly and releases by pressing the collet ring.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMetric Male Thread (M3–M6)\u003c\/strong\u003e — Standard metric coarse thread on the port end ensures broad compatibility with pneumatic cylinders, valves, and manifolds using M3 to M6 threaded ports.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🧱\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eEngineering-Grade Body\u003c\/strong\u003e — Constructed from durable plastic (typically POM or nylon-based) with metal internal components, balancing light weight with structural integrity for pneumatic air line fittings.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Pack Sizes\u003c\/strong\u003e — Available in 1, 5, or 10-piece quantities so you can order exactly what your project needs — from a single replacement to a full build stock.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eWide Size Matrix\u003c\/strong\u003e — Ten hose OD × thread combinations (3mm\/4mm\/6mm OD × M3\/M4\/M5\/M6) cover the most common small-bore pneumatic tubing and thread pairings in one product listing.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — Mini Pneumatic Elbow 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\u003e90° Push-In Elbow, Hose Barb to Male Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHose OD Options\u003c\/th\u003e\n\u003ctd\u003e3mm (≈1\/8\"), 4mm (≈5\/32\"), 6mm (≈1\/4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMale Thread Options\u003c\/th\u003e\n\u003ctd\u003eM3, M4, M5, M6 (metric coarse)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBody Material\u003c\/th\u003e\n\u003ctd\u003eEngineering-grade plastic (typically POM or nylon)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eInternal Components\u003c\/th\u003e\n\u003ctd\u003eMetal collet, O-ring seal\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorking Pressure\u003c\/th\u003e\n\u003ctd\u003eTypically up to 0.8–1.0 MPa (115–145 psi) — see variant specs to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Tubing\u003c\/th\u003e\n\u003ctd\u003ePU, PA (nylon), PE semi-rigid pneumatic tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eMetric coarse (ISO 68-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePack Quantities\u003c\/th\u003e\n\u003ctd\u003e1 Pcs, 5 Pcs, 10 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003ePneumatic systems, automation, robotics, DIY air tools\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eSee variant options\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\u003eNote:\u003c\/strong\u003e Always depressurize the air line before inserting or removing tubing. Apply PTFE tape to the male thread for a leak-free seal. Confirm tubing OD and port thread size 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 hose OD and thread size?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMeasure your tubing's outer diameter (OD) — typically 3mm (≈1\/8\"), 4mm (≈5\/32\"), or 6mm (≈1\/4\") — and match it to the hose OD option. Then match the male thread to your port: M3, M4, M5, or M6. When in doubt, check the thread pitch with a thread gauge before ordering.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the maximum working pressure these fittings can handle?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMini push-in pneumatic fittings of this type generally support working pressures up to approximately 0.8–1.0 MPa (115–145 psi) under normal operating conditions. Always verify the rated pressure for your specific application before use.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan these fittings be used outdoors or in humid environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese fittings are typically made from engineering-grade plastic with metal internals, which generally offers good resistance to moisture. However, prolonged UV exposure or chemical contact may degrade performance. For harsh outdoor environments, confirm material compatibility before installation.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these fittings compatible with standard metric pneumatic tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes — the hose OD options (3mm, 4mm, 6mm) are standard metric pneumatic tubing sizes widely used in automation, robotics, and DIY air systems. The male threads (M3–M6) follow standard metric coarse thread specifications (ISO 68-1).\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDo I need thread sealant or PTFE tape?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eFor metal-to-plastic or metal-to-metal threaded connections, applying PTFE tape to the male thread is generally recommended to ensure a leak-free seal in pressurized air systems. This is standard best practice for pneumatic fittings.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I release the tubing from a push-in fitting?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eDepressurize the line first, then press the collet ring (the outer ring at the tube entry) inward while simultaneously pulling the tube out. Avoid pulling the tube without pressing the collet, as this can damage the internal gripper teeth.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat tubing materials are compatible with these fittings?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese push-in fittings are generally compatible with semi-rigid pneumatic tubing such as polyurethane (PU), nylon (PA), and polyethylene (PE) in the matching OD size. Soft silicone tubing is typically not recommended as it may not grip securely in the collet.\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 hose OD, thread size, and quantity above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"3mm x M4 \/ 1Pcs","offer_id":52336287318290,"sku":"PES5129x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"3mm x M5 \/ 1Pcs","offer_id":52336287351058,"sku":"PES5130x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"4mm x M3 \/ 1Pcs","offer_id":52336287383826,"sku":"PES5131x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"4mm x M4 \/ 1Pcs","offer_id":52336287416594,"sku":"PES5132x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"4mm x M5 \/ 1Pcs","offer_id":52336287449362,"sku":"PES5133x1","price":2.03,"currency_code":"USD","in_stock":true},{"title":"4mm x M6 \/ 1Pcs","offer_id":52336287482130,"sku":"PES5134x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"6mm x M3 \/ 1Pcs","offer_id":52336287514898,"sku":"PES5135x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"6mm x M4 \/ 1Pcs","offer_id":52336287547666,"sku":"PES5136x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"6mm x M5 \/ 1Pcs","offer_id":52336287580434,"sku":"PES5137x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"6mm x M6 \/ 1Pcs","offer_id":52336287613202,"sku":"PES5138x1","price":2.16,"currency_code":"USD","in_stock":true},{"title":"3mm x M4 \/ 5Pcs","offer_id":52336287645970,"sku":"PES5129x5","price":4.2,"currency_code":"USD","in_stock":true},{"title":"3mm x M5 \/ 5Pcs","offer_id":52336287678738,"sku":"PES5130x5","price":4.2,"currency_code":"USD","in_stock":true},{"title":"4mm x M3 \/ 5Pcs","offer_id":52336287711506,"sku":"PES5131x5","price":4.2,"currency_code":"USD","in_stock":true},{"title":"4mm x M4 \/ 5Pcs","offer_id":52336287744274,"sku":"PES5132x5","price":4.2,"currency_code":"USD","in_stock":true},{"title":"4mm x M5 \/ 5Pcs","offer_id":52336287777042,"sku":"PES5133x5","price":3.93,"currency_code":"USD","in_stock":true},{"title":"4mm x M6 \/ 5Pcs","offer_id":52336287809810,"sku":"PES5134x5","price":4.2,"currency_code":"USD","in_stock":true},{"title":"6mm x M3 \/ 5Pcs","offer_id":52336287842578,"sku":"PES5135x5","price":4.28,"currency_code":"USD","in_stock":true},{"title":"6mm x M4 \/ 5Pcs","offer_id":52336287875346,"sku":"PES5136x5","price":4.28,"currency_code":"USD","in_stock":true},{"title":"6mm x M5 \/ 5Pcs","offer_id":52336287908114,"sku":"PES5137x5","price":4.28,"currency_code":"USD","in_stock":true},{"title":"6mm x M6 \/ 5Pcs","offer_id":52336287940882,"sku":"PES5138x5","price":4.56,"currency_code":"USD","in_stock":true},{"title":"3mm x M4 \/ 10Pcs","offer_id":52336287973650,"sku":"PES5129x10","price":7.47,"currency_code":"USD","in_stock":true},{"title":"3mm x M5 \/ 10Pcs","offer_id":52336288006418,"sku":"PES5130x10","price":7.47,"currency_code":"USD","in_stock":true},{"title":"4mm x M3 \/ 10Pcs","offer_id":52336288039186,"sku":"PES5131x10","price":7.41,"currency_code":"USD","in_stock":true},{"title":"4mm x M4 \/ 10Pcs","offer_id":52336288071954,"sku":"PES5132x10","price":7.47,"currency_code":"USD","in_stock":true},{"title":"4mm x M5 \/ 10Pcs","offer_id":52336288104722,"sku":"PES5133x10","price":6.92,"currency_code":"USD","in_stock":true},{"title":"4mm x M6 \/ 10Pcs","offer_id":52336288137490,"sku":"PES5134x10","price":7.55,"currency_code":"USD","in_stock":true},{"title":"6mm x M3 \/ 10Pcs","offer_id":52336288170258,"sku":"PES5135x10","price":7.74,"currency_code":"USD","in_stock":true},{"title":"6mm x M4 \/ 10Pcs","offer_id":52336288203026,"sku":"PES5136x10","price":7.74,"currency_code":"USD","in_stock":true},{"title":"6mm x M5 \/ 10Pcs","offer_id":52336288235794,"sku":"PES5137x10","price":7.74,"currency_code":"USD","in_stock":true},{"title":"6mm x M6 \/ 10Pcs","offer_id":52336288268562,"sku":"PES5138x10","price":8.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture6of16_05fbeabb-c338-4761-8ae2-ec0905db88db.jpg?v=1781623323","url":"https:\/\/homediyer.com\/de\/products\/mini-pneumatic-elbow-fittings-push-in-hose-barb-male-thread","provider":"HomeDIYer","version":"1.0","type":"link"}