{"product_id":"pneumatic-straight-hose-fitting-male-thread-push-in-connector","title":"Pneumatic Straight Hose Fitting — Male Thread Push-In Connector (3mm–6mm OD)","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 hose outer diameter (OD) — typically 3mm (≈1\/8\\u2033), 4mm (≈5\/32\\u2033), or 6mm (≈1\/4\\u2033) — then match the male thread to your port: M3, M4, M5, or M6. When in doubt, check the thread pitch on your equipment port with a thread gauge.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the maximum working pressure for these fittings?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These mini pneumatic fittings are generally rated for working pressures up to approximately 0.8–1.0 MPa (116–145 psi) in typical compressed-air applications. Always verify the pressure rating against your system specifications before installation.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these fittings suitable for outdoor or humid environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These fittings are generally made from engineering plastic (POM or nylon) with brass or stainless internals, offering reasonable moisture resistance for indoor pneumatic systems. For prolonged outdoor or high-humidity exposure, consider adding thread sealant tape and inspect periodically for wear.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What thread standard do these fittings use — metric or NPT?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These fittings use metric male threads (M3, M4, M5, M6). They are not NPT or BSP threads. Confirm your equipment uses metric-threaded ports before ordering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use these fittings with polyurethane (PU) or nylon tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. These straight push-in connectors are generally compatible with semi-rigid PU, nylon (PA), and polyethylene (PE) tubing of the matching OD. Soft silicone tubing may not seal reliably — contact us to confirm compatibility.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I release the hose from the fitting?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Depressurize the air line first. Then press the collet ring (the outer ring at the hose entry) inward while pulling the hose straight out. Do not twist or yank the hose, as this can damage the collet teeth.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need thread sealant when installing these fittings?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For a leak-free seal, applying PTFE thread tape (2–3 wraps) to the male thread before installation is generally recommended, especially in higher-pressure systems. This is standard practice for metric pneumatic 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 Straight Hose Fitting — Reliable Male Thread Push-In Connection for Compact Air Systems\u003c\/h2\u003e\n    \u003cp\u003eWhen you're routing air lines through tight spaces on robotic assemblies, automation fixtures, or small pneumatic tools, a bulky fitting can block access or create leak points. These mini pneumatic straight connectors are designed for engineers, makers, and technicians who need a compact, secure hose-to-port connection without sacrificing flow or reliability.\u003c\/p\u003e\n    \u003cp\u003eEach fitting is a single straight push-in connector combining a hose collet entry and a male metric thread on the opposite end. Hose OD options cover 3mm (≈1\/8\"), 4mm (≈5\/32\"), and 6mm (≈1\/4\"), paired with male thread sizes M3, M4, M5, or M6. The body is typically constructed from engineering-grade plastic (POM or nylon) with a brass or stainless collet insert for grip and durability. Available in packs of 1, 5, or 10 pieces.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include connecting PU or nylon air tubing to solenoid valve ports on compact manifolds, routing pneumatic lines in 3D printer extruder assemblies, and plumbing miniature cylinders in laboratory automation rigs — all applications where a standard 1\/4\" NPT fitting would simply be too large.\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 semi-rigid PU, nylon (PA), and PE tubing with OD of 3mm, 4mm, or 6mm. Male thread is metric (M3–M6) — not NPT or BSP. Confirm your port thread standard before ordering.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These Pneumatic Straight Male Thread 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\u003eMetric Male Thread Options\u003c\/strong\u003e — Available in M3, M4, M5, and M6 to match the most common metric-threaded ports on solenoid valves, cylinders, and manifolds in compact pneumatic systems.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eThree Hose OD Sizes\u003c\/strong\u003e — Covers 3mm (≈1\/8\"), 4mm (≈5\/32\"), and 6mm (≈1\/4\") OD tubing, giving you flexibility across different air line diameters in the same project.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003ePush-In Collet Design\u003c\/strong\u003e — Insert the hose and the internal collet teeth grip automatically, creating a secure connection without tools. Hose releases by pressing the collet ring inward — no cutting required.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eCompact Straight-Through Body\u003c\/strong\u003e — The inline straight profile keeps the fitting footprint minimal, making it well-suited for tight panel cutouts, PCB-mounted pneumatic modules, and space-constrained automation enclosures.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eEngineering Plastic Construction\u003c\/strong\u003e — The body is typically molded from POM or glass-filled nylon, offering chemical resistance to oils and mild solvents commonly found in 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\u003eFlexible Pack Quantities\u003c\/strong\u003e — Order 1, 5, or 10 pieces per variant to match your project scale — whether you need a single replacement fitting or a batch for a production run of pneumatic assemblies.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — Pneumatic Straight Male Thread Push-In 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 with male thread\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHose OD (Tube Size)\u003c\/th\u003e\n\u003ctd\u003e3mm (≈1\/8\"), 4mm (≈5\/32\"), 6mm (≈1\/4\") — see variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMale Thread Size\u003c\/th\u003e\n\u003ctd\u003eM3, M4, M5, M6 (metric) — see variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eMetric (ISO) — not NPT or BSP\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBody Material\u003c\/th\u003e\n\u003ctd\u003eEngineering plastic (typically POM or nylon)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCollet \/ Insert Material\u003c\/th\u003e\n\u003ctd\u003eTypically brass or stainless steel\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 (116–145 psi) — contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorking Temperature\u003c\/th\u003e\n\u003ctd\u003eSee variant options \/ Contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Tubing\u003c\/th\u003e\n\u003ctd\u003ePU, nylon (PA), polyethylene (PE) semi-rigid tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eConnection Method\u003c\/th\u003e\n\u003ctd\u003ePush-in collet (tool-free insertion, press-to-release)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e1 Pcs, 5 Pcs, or 10 Pcs — see variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFinish \/ Color\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\u003eSpec Note:\u003c\/strong\u003e Exact pressure ratings and temperature ranges vary by production batch. If your application is safety-critical, 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 hose OD and thread size?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMeasure your hose outer diameter (OD) — typically 3mm (≈1\/8\"), 4mm (≈5\/32\"), or 6mm (≈1\/4\") — then match the male thread to your port: M3, M4, M5, or M6. When in doubt, check the thread pitch on your equipment port with a thread gauge. The variant label shows both dimensions as \"Hose OD × Male Thread\" (e.g., 4mm × M5).\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the maximum working pressure for these fittings?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese mini pneumatic fittings are generally rated for working pressures up to approximately 0.8–1.0 MPa (116–145 psi) in typical compressed-air applications. Always verify the pressure rating against your system specifications before installation, particularly in safety-critical or high-cycle environments.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these fittings suitable for outdoor or humid environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese fittings are generally made from engineering plastic (POM or nylon) with brass or stainless internals, offering reasonable moisture resistance for indoor pneumatic systems. For prolonged outdoor or high-humidity exposure, consider applying PTFE thread tape and inspecting periodically for UV degradation or collet wear.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat thread standard do these fittings use — metric or NPT?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese fittings use metric male threads (M3, M4, M5, M6) per ISO standards. They are \u003cstrong\u003enot\u003c\/strong\u003e NPT (National Pipe Thread) or BSP (British Standard Pipe) threads. Confirm your equipment uses metric-threaded ports before ordering. If you need NPT or BSP variants, contact us.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use these fittings with polyurethane (PU) or nylon tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. These straight push-in connectors are generally compatible with semi-rigid PU, nylon (PA), and polyethylene (PE) tubing of the matching OD. Soft or highly flexible silicone tubing may not seal reliably with the collet mechanism — contact us to confirm compatibility for non-standard tubing materials.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I release the hose from the fitting?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eDepressurize the air line completely before disconnecting. Then press the collet ring (the outer ring at the hose entry port) firmly inward while pulling the hose straight out in one smooth motion. Avoid twisting or yanking the hose at an angle, as this can damage the collet teeth and compromise the seal on reinstallation.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDo I need thread sealant when installing these fittings?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eFor a leak-free seal, applying PTFE thread tape (2–3 wraps in the direction of the thread) to the male thread before installation is generally recommended, especially in systems operating above 0.5 MPa. This is standard practice for metric pneumatic fittings and adds minimal cost while significantly reducing the chance of air leaks at the port connection.\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":52336288301330,"sku":"PENG018086x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"3mm x M5 \/ 1Pcs","offer_id":52336288334098,"sku":"PENG018087x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"4mm x M4 \/ 1Pcs","offer_id":52336288366866,"sku":"PENG018089x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"4mm x M5 \/ 1Pcs","offer_id":52336288399634,"sku":"PENG018090x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"4mm x M6 \/ 1Pcs","offer_id":52336288432402,"sku":"PENG018091x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"6mm x M3 \/ 1Pcs","offer_id":52336288465170,"sku":"PENG018092x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"6mm x M4 \/ 1Pcs","offer_id":52336288497938,"sku":"PENG018093x1","price":2.16,"currency_code":"USD","in_stock":true},{"title":"6mm x M5 \/ 1Pcs","offer_id":52336288530706,"sku":"PENG018094x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"6mm x M6 \/ 1Pcs","offer_id":52336288563474,"sku":"PENG018095x1","price":2.16,"currency_code":"USD","in_stock":true},{"title":"3mm x M4 \/ 5Pcs","offer_id":52336288596242,"sku":"PENG018086x5","price":3.52,"currency_code":"USD","in_stock":true},{"title":"3mm x M5 \/ 5Pcs","offer_id":52336288629010,"sku":"PENG018087x5","price":3.52,"currency_code":"USD","in_stock":true},{"title":"4mm x M4 \/ 5Pcs","offer_id":52336288661778,"sku":"PENG018089x5","price":3.52,"currency_code":"USD","in_stock":true},{"title":"4mm x M5 \/ 5Pcs","offer_id":52336288694546,"sku":"PENG018090x5","price":3.33,"currency_code":"USD","in_stock":true},{"title":"4mm x M6 \/ 5Pcs","offer_id":52336288727314,"sku":"PENG018091x5","price":3.52,"currency_code":"USD","in_stock":true},{"title":"6mm x M3 \/ 5Pcs","offer_id":52336288760082,"sku":"PENG018092x5","price":3.52,"currency_code":"USD","in_stock":true},{"title":"6mm x M4 \/ 5Pcs","offer_id":52336288792850,"sku":"PENG018093x5","price":3.66,"currency_code":"USD","in_stock":true},{"title":"6mm x M5 \/ 5Pcs","offer_id":52336288825618,"sku":"PENG018094x5","price":3.52,"currency_code":"USD","in_stock":true},{"title":"6mm x M6 \/ 5Pcs","offer_id":52336288858386,"sku":"PENG018095x5","price":3.66,"currency_code":"USD","in_stock":true},{"title":"3mm x M4 \/ 10Pcs","offer_id":52336288891154,"sku":"PENG018086x10","price":5.24,"currency_code":"USD","in_stock":true},{"title":"3mm x M5 \/ 10Pcs","offer_id":52336288923922,"sku":"PENG018087x10","price":5.24,"currency_code":"USD","in_stock":true},{"title":"4mm x M4 \/ 10Pcs","offer_id":52336288956690,"sku":"PENG018089x10","price":5.29,"currency_code":"USD","in_stock":true},{"title":"4mm x M5 \/ 10Pcs","offer_id":52336288989458,"sku":"PENG018090x10","price":4.96,"currency_code":"USD","in_stock":true},{"title":"4mm x M6 \/ 10Pcs","offer_id":52336289022226,"sku":"PENG018091x10","price":5.37,"currency_code":"USD","in_stock":true},{"title":"6mm x M3 \/ 10Pcs","offer_id":52336289054994,"sku":"PENG018092x10","price":5.56,"currency_code":"USD","in_stock":true},{"title":"6mm x M4 \/ 10Pcs","offer_id":52336289087762,"sku":"PENG018093x10","price":5.92,"currency_code":"USD","in_stock":true},{"title":"6mm x M5 \/ 10Pcs","offer_id":52336289120530,"sku":"PENG018094x10","price":5.64,"currency_code":"USD","in_stock":true},{"title":"6mm x M6 \/ 10Pcs","offer_id":52336289153298,"sku":"PENG018095x10","price":6.24,"currency_code":"USD","in_stock":true},{"title":"4mm x M3 \/ 1Pcs","offer_id":52336289186066,"sku":"PENG018088x1","price":2.11,"currency_code":"USD","in_stock":true},{"title":"4mm x M3 \/ 5Pcs","offer_id":52336289218834,"sku":"PENG018088x5","price":3.52,"currency_code":"USD","in_stock":true},{"title":"4mm x M3 \/ 10Pcs","offer_id":52336289251602,"sku":"PENG018088x10","price":5.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture4of13_a21bf262-484c-48f3-9248-996328e84879.jpg?v=1781623361","url":"https:\/\/homediyer.com\/de\/products\/pneumatic-straight-hose-fitting-male-thread-push-in-connector","provider":"HomeDIYer","version":"1.0","type":"link"}