{"product_id":"roadformer-t-bolt-hose-clamp-4-108-116mm-2-pack-304-stainless-with-nylon-locknut","title":"ROADFORMER T-bolt Hose Clamp 4\" (108–116mm) 2-Pack — 304 Stainless with Nylon Locknut","description":"\u003cp\u003e\u003cstrong\u003eROADFORMER 4\" T-bolt hose clamp is a heavy-duty stainless-steel clamp sized to tighten from 108mm to 116mm (4.25\"–4.57\") and sold as a 2-pack for secure, leak-resistant hose connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for 4\" nominal ID hoses, these clamps combine a 3\/4\" 304 stainless steel band, a 300-series 1\/4\"-28 bolt, a floating bridge and a nylon-insert locknut to deliver consistent clamping force and corrosion resistance. They suit automotive, marine, industrial and agricultural hose joins where a robust seal and long service life matter. Before ordering, verify your hose outer diameter and wall thickness to ensure the clamp’s working range fits your application.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these T-bolt clamps hold hoses securely?\u003c\/h3\u003e\n\u003cp\u003eThe clamp uses a heavy gauge 304 stainless steel band with a precision T-bolt and floating bridge to spread pressure evenly around the hose perimeter. A nylon-insert locknut resists vibration loosening while the wide band reduces local hose distortion, producing a tight, even seal without cutting into the hose material.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWide 3\/4\" stainless band prevents hose pinch and improves seal stability\u003c\/li\u003e\n  \u003cli\u003eFloating bridge distributes torque evenly during tightening\u003c\/li\u003e\n  \u003cli\u003e1\/4\"-28 300-series bolt and nylon locknut for vibration resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these clamps fit my 4\" hose and how to check fit?\u003c\/h3\u003e\n\u003cp\u003eROADFORMER clamps tighten from 108mm to 116mm (4.25\"–4.57\"), matching typical 4\" nominal ID hoses when measured by outer diameter. Because hoses vary by material and wall thickness, measure the hose outer diameter (O.D.) while assembled or refer to the hose spec sheet to make sure it falls within the clamp’s working range.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorking range: 108mm–116mm (4.25\"–4.57\")\u003c\/li\u003e\n  \u003cli\u003eRecommended hose wall thickness: 3mm–6mm (SAE standard)\u003c\/li\u003e\n  \u003cli\u003eMeasure O.D. rather than nominal ID for accurate fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction make these clamps durable?\u003c\/h3\u003e\n\u003cp\u003eThe clamp band and bridge are made from 304 stainless steel for corrosion resistance, while the bolt is 300-series stainless steel for strength. The nylon-insert locknut improves retention under vibration and the overall design resists loosening and electrochemical degradation in harsh environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e304 stainless steel 3\/4\" band resists rust and wear\u003c\/li\u003e\n  \u003cli\u003eFloating bridge prevents localized stress on the hose surface\u003c\/li\u003e\n  \u003cli\u003eNylon-insert locknut improves loosening resistance in vibration-prone settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and tighten a ROADFORMER T-bolt clamp?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: slip the clamp over the hose, position it over the fitting or coupling, align the bolt and bridge, then tighten using a wrench or socket until the desired clamp pressure is reached. Avoid over-torquing; tighten until the hose is snug and leak-free but not compressed to the point of deformation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSlide clamp on, position over joint, then align bridge and bolt\u003c\/li\u003e\n  \u003cli\u003eTighten with wrench or socket until secure—do not over-torque\u003c\/li\u003e\n  \u003cli\u003eRe-check after first heat cycle or pressure test for final adjustment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These ROADFORMER 4\" T-bolt clamps are aimed at mechanics, fleet operators, marine techs, fabricators and DIYers who need a reliable, heavy-duty clamping solution for 4\" hoses. They work well on intercooler piping, coolant lines, turbocharger hoses, intake plumbing, agricultural equipment and many industrial fluid systems where a robust, corrosion-resistant connection is required. The 2-pack format is convenient for replacement pairs or multiple assemblies.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What hose size does this clamp fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits hoses with outer diameters tightening from 108mm to 116mm (4.25\"–4.57\").\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these clamps in marine environments?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—304 stainless band and 300-series bolt offer good corrosion resistance for marine use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ROADFORMER","offers":[{"title":"Default Title","offer_id":48087160848542,"sku":"B0F4KDHHWN","price":37.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/roadformer-front-packaging-4-inch-tbolt-clamp.jpg?v=1785918034","url":"https:\/\/northtrailauto.ca\/products\/roadformer-t-bolt-hose-clamp-4-108-116mm-2-pack-304-stainless-with-nylon-locknut","provider":"North Trail Auto","version":"1.0","type":"link"}