{"product_id":"pp-plastic-g-thread-hex-lock-nut-standard-wide-flange-symmetrical-fastener-nut-for-pipes-tanks-1-4-to-2-atradesen","title":"PP Plastic G-Thread Hex Lock Nut | Standard \u0026 Wide Flange Symmetrical Fastener Nut for Pipes \u0026 Tanks (1\/4\" to 2\") - Atradesen","description":"\u003ch2\u003ePremium PP Plastic G-Thread Hex Lock Nuts (Standard \u0026amp; Flange Styles)\u003c\/h2\u003e\n\u003cp\u003eSecure and seal your threaded pipeline fittings confidently with our premium PP plastic G-thread hex lock nuts, available at \u003ca href=\"https:\/\/atradesen.com\" target=\"_blank\"\u003eAtradesen.com\u003c\/a\u003e. Crafted from high-density, engineering-grade Polypropylene (PP), these non-toxic and robust hex fasteners provide excellent mechanical strength, outstanding electrical insulation, and superior anti-corrosion performance in chemical lines, saltwater aquariums, and municipal fluid systems.\u003c\/p\u003e\n\u003cp\u003eDesigned to prevent thread loosening due to system vibration, this high-grade plastic fastener is highly resistant to oils, organic solvents, household chemicals, acids, and alkalis.\u003c\/p\u003e\n\u003ch3\u003eTwo Engineered Configurations for Perfect Fastening\u003c\/h3\u003e\n\u003cp\u003eSelect the optimal lock nut design to match your specific piping assembly:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Hex Lock Nut:\u003c\/strong\u003e A slim, low-profile hexagonal nut designed for space-saving structural fastening, positioning, and general mounting of threaded pipe fittings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHex Lock Nut with Flange (Increased Contact Surface):\u003c\/strong\u003e Features an integrated wider collar base at the bottom of the hex nut. By significantly expanding the contact surface area, this flanged nut distributes tightening torque evenly. It is highly recommended for bulkheads or through-wall tank connections, as it compresses sealing rubber gaskets uniformly without local stress fractures or stripping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e⚠️ Thread Sizing \u0026amp; Temperature Guidelines\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePlumbing nominal sizes do not represent direct caliper measurements. Please measure your male thread outer diameter or nominal pipe standard before purchasing:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eG1\/4\" :\u003c\/strong\u003e Thread standard fits approximately 13.1mm nominal male threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eG3\/8\" :\u003c\/strong\u003e Thread standard fits approximately 16.6mm nominal male threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eG1\/2\" :\u003c\/strong\u003e Thread standard fits approximately 20.9mm nominal male threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eG3\/4\" :\u003c\/strong\u003e Thread standard fits approximately 26.4mm nominal male threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eG1\" :\u003c\/strong\u003e Thread standard fits approximately 33.2mm nominal male threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eG1-1\/4\" :\u003c\/strong\u003e Thread standard fits approximately 41.9mm nominal male threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eG1-1\/2\" :\u003c\/strong\u003e Thread standard fits approximately 47.8mm nominal male threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eG2\" (2寸):\u003c\/strong\u003e Thread standard fits approximately 59.6mm nominal male threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Thermal Threshold:\u003c\/strong\u003e Operates smoothly in temperatures ranging from \u003cstrong\u003e-20°C to 100°C (-4°F to 212°F)\u003c\/strong\u003e. Safe for outdoor freezing zones and high-temperature boiler supply lines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2; text-align: left;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; font-weight: bold;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eHigh-Grade Polypropylene (PP) - Safe \u0026amp; Acid\/Alkali Resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Standard\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eStandard G \/ BSP (British Standard Pipe Parallel Threads)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; font-weight: bold;\"\u003eWorking Temperature Range\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e-20°C to 100°C (-4°F to 212°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; font-weight: bold;\"\u003eStyles Available\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eStandard Hex Lock Nut \/ Hex Lock Nut with Flange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; font-weight: bold;\"\u003eFeatures\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eHighly reusable, oil-resistant, excellent insulation, and high mechanical strength\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is PP chosen over metal for locking water tank bulkhead fittings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: High-grade Polypropylene (PP) is completely inert, meaning it won't rust or undergo galvanic corrosion when wet. Additionally, it resists chemicals and pond fertilizers, providing long-term reliability under continuous liquid exposure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: When should I choose the Flanged Hex Nut instead of the Standard Hex Nut?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Use the flanged hex nut whenever you are creating a watertight seal through a container wall (like a water bucket or aquarium glass). The wide flange spreads the clamping force across the sealing washer or gasket, preventing leaks and protecting the wall from cracking under high tension.\u003c\/p\u003e\n\u003c!-- Recommended System Bundles \u0026 Cross-Linking (Strictly 3 Links, Chinese placeholders inside href) --\u003e\n\u003cdiv style=\"background-color: #fcfcfc; border: 1px solid #e5e5e5; padding: 15px; border-radius: 6px; margin-top: 30px;\"\u003e\n\u003cp style=\"margin: 0 0 10px 0; font-size: 15px; font-weight: bold; color: #333;\"\u003eRecommended System Bundles \u0026amp; Companion Products:\u003c\/p\u003e\n\u003cul style=\"margin: 0; padding-left: 20px; font-size: 14px; color: #555;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eFor Aquarium Tank Overflow Drainage:\u003c\/strong\u003e Perfect for locking pipe runs securely against our non-toxic \u003ca style=\"text-decoration: underline; font-weight: bold; color: #0056b3;\" href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\"\u003eFish Tank Intake \u0026amp; Drainage Joints\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eFor Thread Diameter Reduction:\u003c\/strong\u003e Transition larger male threads down to smaller internal thread sizes using our \u003ca style=\"text-decoration: underline; font-weight: bold; color: #0056b3;\" href=\"https:\/\/atradesen.com\/collections\/misc-adapters-transition-fittings\/products\/premium_pom_plastic_reducing_nipple_1-2-1_double_male_thread_adapter\"\u003ePVC Male-to-Female Reducing Bushings\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0;\"\u003e\n\u003cstrong\u003eFor Gravity Tank Discharging:\u003c\/strong\u003e Lock your dispenser connections securely onto storage buckets alongside our \u003ca style=\"text-decoration: underline; font-weight: bold; color: #0056b3;\" href=\"https:\/\/atradesen.com\/collections\/misc-adapters-transition-fittings\/products\/water-tank-plastic-faucet-pp-food-grade-valveless-dispenser-tap-for-buckets-storage-tanks-atradesen\"\u003eWater Tank Food-Grade PP Faucets\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Atradesen","offers":[{"title":"Standard Hex Lock Nut \/ G1\/4\"","offer_id":56767574507686,"sku":null,"price":0.25,"currency_code":"USD","in_stock":false},{"title":"Standard Hex Lock Nut \/ G3\/8\"","offer_id":56767574540454,"sku":null,"price":0.29,"currency_code":"USD","in_stock":false},{"title":"Standard Hex Lock Nut \/ G1\/2\"","offer_id":56767574573222,"sku":null,"price":0.38,"currency_code":"USD","in_stock":false},{"title":"Standard Hex Lock Nut \/ G3\/4\"","offer_id":56767574605990,"sku":null,"price":0.41,"currency_code":"USD","in_stock":false},{"title":"Standard Hex Lock Nut \/ G1\"","offer_id":56767574638758,"sku":null,"price":0.68,"currency_code":"USD","in_stock":false},{"title":"Standard Hex Lock Nut \/ G1-1\/4\"","offer_id":56767574671526,"sku":null,"price":0.89,"currency_code":"USD","in_stock":false},{"title":"Standard Hex Lock Nut \/ G1-1\/2\"","offer_id":56767574704294,"sku":null,"price":1.12,"currency_code":"USD","in_stock":false},{"title":"Standard Hex Lock Nut \/ G2\"","offer_id":56767574737062,"sku":null,"price":1.86,"currency_code":"USD","in_stock":false},{"title":"Hex Lock Nut with Flange \/ G1\/4\"","offer_id":56767574769830,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false},{"title":"Hex Lock Nut with Flange \/ G3\/8\"","offer_id":56767574802598,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false},{"title":"Hex Lock Nut with Flange \/ G1\/2\"","offer_id":56767574835366,"sku":null,"price":0.35,"currency_code":"USD","in_stock":true},{"title":"Hex Lock Nut with Flange \/ G3\/4\"","offer_id":56767574868134,"sku":null,"price":0.45,"currency_code":"USD","in_stock":true},{"title":"Hex Lock Nut with Flange \/ G1\"","offer_id":56767574900902,"sku":null,"price":0.82,"currency_code":"USD","in_stock":true},{"title":"Hex Lock Nut with Flange \/ G1-1\/4\"","offer_id":56767574933670,"sku":null,"price":0.91,"currency_code":"USD","in_stock":true},{"title":"Hex Lock Nut with Flange \/ G1-1\/2\"","offer_id":56767574966438,"sku":null,"price":1.22,"currency_code":"USD","in_stock":true},{"title":"Hex Lock Nut with Flange \/ G2\"","offer_id":56767574999206,"sku":null,"price":1.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/PP_Plastic_G-Thread_Hex_Lock_Nut_Standard_Wide_Flange_Symmetrical_Fastener_Nut_for_Pipes_Tanks_14_to_2_-_Atradesen-001.png?v=1783677266","url":"https:\/\/atradesen.com\/products\/pp-plastic-g-thread-hex-lock-nut-standard-wide-flange-symmetrical-fastener-nut-for-pipes-tanks-1-4-to-2-atradesen","provider":"Atradesen","version":"1.0","type":"link"}