{"product_id":"stainless-steel-square-tube-connector-flange-base-25-30-35mm","title":"Stainless Steel Square Tube Connector Flange Base 25\/30\/35mm","description":"\n\u003ch2\u003eStainless Steel Square Tube Connector with Flange Base\u003c\/h2\u003e\n\u003cp\u003eBuild sturdy, long-lasting fence rails, handrails, and structural frameworks with these heavy-duty \u003cstrong\u003estainless steel square tube connectors\u003c\/strong\u003e. Available in 25mm, 30mm, and 35mm outer diameter sizes, these elbow corner joint clamps are engineered for a secure, professional-grade fit — ideal for DIY projects, outdoor fencing, balustrades, and more. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickened Stainless Steel Construction:\u003c\/strong\u003e Resists corrosion, bending, and cracking for reliable long-term performance indoors and outdoors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Sizing:\u003c\/strong\u003e Fits square tube outer diameters of 20×20mm, 25×25mm, and 30×30mm — choose the size that best matches your project.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Hardware Set:\u003c\/strong\u003e Each set includes 1 square post base flange + 4 screws + 4 anchors — everything you need for a secure installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Simple screw-and-anchor mounting system means no specialist tools required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean Silver Finish:\u003c\/strong\u003e Sleek, modern appearance that complements any décor or outdoor setting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQuality Thickened Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20×20mm, 25×25mm, 30×30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Set or 2 Sets\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSet Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1× Square Post Base Flange + 4× Screws + 4× Anchors\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 or 2 Sets (as selected)\u003c\/li\u003e\n  \u003cli\u003eEach set: 1× Square Post Base + 4× Screws + 4× Anchors\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\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking \u0026amp; Grout Finishing Tools\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-multi-use-faucet-bubbler-wrenches-6-sizes-sink-wrenches-detach-tool-for-kitchen-bathroom-faucet-parts-repair-spanner\"\u003e1PC Multi-Use Faucet Bubbler Wrench – 6 Sizes Sink Wrench Detach Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/2pcs-screw-hooks-ceiling-hook-multifunctional-self-adhesive-heavy-duty-wall-hanging-bracket-plant-support-accessories\"\u003e2PCS Heavy-Duty Screw Hooks \u0026amp; Ceiling Hook – Wall Hanging Bracket\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual color may vary slightly from images due to monitor brightness and lighting conditions. Please allow minor measurement tolerances of ±1–2mm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What tube sizes are compatible with these square tube connectors?\u003c\/h4\u003e\n\u003cp\u003eA: These stainless steel square tube connectors are designed to fit square tube outer diameters of 20×20mm, 25×25mm, and 30×30mm. Please select the correct size matching your tubing when ordering.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these square tube flange connectors suitable for outdoor use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The thickened stainless steel material is highly resistant to corrosion and weathering, making these elbow corner joint clamps well-suited for outdoor fence rails, balustrades, garden structures, and other exterior applications.\u003c\/p\u003e\n\u003ch4\u003eQ: What hardware is included in each set?\u003c\/h4\u003e\n\u003cp\u003eA: Each set includes 1 square post base flange, 4 mounting screws, and 4 wall anchors — providing a complete installation kit so you can get started right away without needing to source additional hardware.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I purchase more than one set?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. This listing offers the option to purchase either 1 set or 2 sets, allowing you to stock up for larger fencing or railing projects at a better value.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What tube sizes are compatible with these square tube connectors?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These stainless steel square tube connectors are designed to fit square tube outer diameters of 20×20mm, 25×25mm, and 30×30mm. Please select the correct size matching your tubing when ordering.\"}}, {\"@type\": \"Question\", \"name\": \"Are these square tube flange connectors suitable for outdoor use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The thickened stainless steel material is highly resistant to corrosion and weathering, making these elbow corner joint clamps well-suited for outdoor fence rails, balustrades, garden structures, and other exterior applications.\"}}, {\"@type\": \"Question\", \"name\": \"What hardware is included in each set?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each set includes 1 square post base flange, 4 mounting screws, and 4 wall anchors — providing a complete installation kit so you can get started right away without needing to source additional hardware.\"}}, {\"@type\": \"Question\", \"name\": \"Can I purchase more than one set?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. This listing offers the option to purchase either 1 set or 2 sets, allowing you to stock up for larger fencing or railing projects at a better value.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Stainless Steel Square Tube Connector Flange Base 25\/30\/35mm\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/stainless-steel-square-tube-connector-flange-base-25-30-35mm\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"35MM 2PCS","offer_id":67609857818723,"sku":"1005011847248156-35MM 2PCS","price":12.95,"currency_code":"USD","in_stock":true},{"title":"25MM 2PCS","offer_id":67609857851491,"sku":"1005011847248156-25MM 2PCS","price":8.81,"currency_code":"USD","in_stock":true},{"title":"25MM","offer_id":67609857884259,"sku":"1005011847248156-25MM","price":5.3,"currency_code":"USD","in_stock":true},{"title":"20MM","offer_id":67609857917027,"sku":"1005011847248156-20MM","price":5.02,"currency_code":"USD","in_stock":true},{"title":"20MM 2PCS","offer_id":67609857949795,"sku":"1005011847248156-20MM 2PCS","price":8.39,"currency_code":"USD","in_stock":true},{"title":"35MM","offer_id":67609857982563,"sku":"1005011847248156-35MM","price":7.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/2047\/6003\/files\/Sa83f3cfd272040b0b3f640251bbf7e8fO.webp?v=1790791748","url":"https:\/\/nixiehaven.com\/products\/stainless-steel-square-tube-connector-flange-base-25-30-35mm","provider":"Nixie","version":"1.0","type":"link"}