{"title":"Certifire Stainless Steel Polymer Bearing Hinges (Grade 13)","description":"\u003cp\u003eThis collection brings together Certifire-approved, fire-rated stainless steel butt hinges with radiused corners and a 3-knuckle polymer bearing design. Built for smoother operation and reduced friction, they’re a practical choice for higher-use doors where consistent movement and durability matter.\u003c\/p\u003e\n\u003ch2\u003eSizes, finishes and performance options\u003c\/h2\u003e\n\u003cp\u003eAcross the range you’ll find Grade 13 hinges in two sizes: 102mm x 102mm x 3mm and 102mm x 76mm x 3mm. Both options are listed as fire rated, with the 102mm x 76mm version also specified as FD30\/60 and noted as UKCA \u0026amp; CE certified and Certifire approved. Selected listings also reference suitability for heavy doors when used as part of a 3-hinge set.\u003c\/p\u003e\n\u003cp\u003eFinish choice varies by size. Options across the collection include Satin Stainless Steel and Polished Stainless Steel, with additional finishes shown on some versions such as Antique Brass, Satin Brass, Polished Brass, Black and Dark Bronze. Each hinge is supplied as a pair, and some product listings state that fixings are included.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e 3-knuckle, radiused corners, polymer bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e 102mm x 102mm x 3mm and 102mm x 76mm x 3mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRating:\u003c\/strong\u003e Fire rated across the range (FD30\/60 stated on selected items)\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"fh-certifire-stainless-steel-radiused-polymer-bearing-hinges-3-knuckle-grade-13-102mm-x-102mm","title":"Certifire Stainless Steel Radiused Polymer Bearing Hinges - 3 Knuckle - Grade 13 - 102mm x 102mm - Pair","description":"\u003cp\u003eCertifire Stainless Steel Radiused Polymer Bearing Hinges — 3-knuckle, Grade 13 — 102mm x 102mm, supplied as a pair. These hinges use a radiused three-knuckle design with polymer bearings to reduce friction and provide smooth operation for heavy-duty doors.\u003c\/p\u003e\u003cp\u003eThe hinges are designed for heavy-duty and fire-rated doors and are supplied with fixings. Finish choices for this product are Polished Stainless Steel and Satin Stainless Steel.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e 3-knuckle radiused hinge with polymer bearings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e Grade 13\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 102mm x 102mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack:\u003c\/strong\u003e Supplied as a pair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Polymer bearings for reduced friction and extended operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixings:\u003c\/strong\u003e Included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e Supports doors up to 120kg when used with three hinges (as stated for this product)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePolished Stainless Steel\u003c\/li\u003e\n\u003cli\u003eSatin Stainless Steel\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Frelan Hardware","offers":[{"title":"Polished Stainless Steel","offer_id":55776558317942,"sku":"J9603RPSS","price":8.6,"currency_code":"GBP","in_stock":true},{"title":"Satin Stainless Steel","offer_id":55776558350710,"sku":"J9603RSSS","price":10.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/6062\/5014\/files\/image_c88188ab-888c-4c8f-b92d-8285c5aea676.jpg?v=1750156460"},{"product_id":"fh-certifire-stainless-steel-radiused-polymer-bearing-hinges-3-knuckle-grade-13-102mm-x-76mm","title":"Certifire Stainless Steel Radiused Polymer Bearing Hinges - 3 Knuckle - Grade 13 - 102mm x 76mm - Pair","description":"\u003cp\u003eThe Certifire Stainless Steel Radiused Polymer Bearing Hinge is a 3-knuckle door hinge engineered for use on fire-rated doors. This listing covers the 102mm x 76mm size sold as a pair and is designed to combine stainless steel construction with polymer bearings for smooth, long-lasting operation.\u003c\/p\u003e\u003cp\u003eSuitable for residential and commercial fire-door installations, the hinge is Certifire approved and carries UKCA and CE markings where applicable. The radiused corners and 3-knuckle design suit standard rebated door preparations; finish options are offered to match a range of interiors.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e 3-knuckle with radiused corners and polymer bearings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 102mm x 76mm x 3mm (pair)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e Grade 13 (supports doors up to 120kg with three hinges)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire resistance:\u003c\/strong\u003e FD30\/60 fire-rated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e Certifire approved; UKCA \u0026amp; CE marked\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion resistance:\u003c\/strong\u003e Grade 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply:\u003c\/strong\u003e Sold as a pair\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAntique Brass\u003c\/li\u003e\n\u003cli\u003eBlack\u003c\/li\u003e\n\u003cli\u003eDark Bronze\u003c\/li\u003e\n\u003cli\u003ePolished Brass\u003c\/li\u003e\n\u003cli\u003ePolished Stainless Steel\u003c\/li\u003e\n\u003cli\u003eSatin Brass\u003c\/li\u003e\n\u003cli\u003eSatin Stainless Steel\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Frelan Hardware","offers":[{"title":"Antique Brass","offer_id":55776558416246,"sku":"J9633AB","price":18.0,"currency_code":"GBP","in_stock":true},{"title":"Black","offer_id":55776558449014,"sku":"J9633BL","price":18.0,"currency_code":"GBP","in_stock":true},{"title":"Dark Bronze","offer_id":55776558481782,"sku":"J9633DB","price":18.0,"currency_code":"GBP","in_stock":true},{"title":"Polished Stainless Steel","offer_id":55776558514550,"sku":"J9633PSS","price":15.85,"currency_code":"GBP","in_stock":true},{"title":"Polished Brass","offer_id":55776558547318,"sku":"J9633PVD","price":18.0,"currency_code":"GBP","in_stock":true},{"title":"Satin Brass","offer_id":55776558580086,"sku":"J9633SB","price":18.0,"currency_code":"GBP","in_stock":true},{"title":"Satin Stainless Steel","offer_id":55776558612854,"sku":"J9633SSS","price":13.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/6062\/5014\/files\/j9633ab_5e520463-7559-4fea-af2a-a928712d6510.jpg?v=1771888227"}],"url":"https:\/\/www.door2doorhandles.co.uk\/collections\/sibling-fh-certifire-stainless-steel-radiused-polymer-bearing-hinges-3-knuckle-grade-13.oembed","provider":"Door 2 Door Handles","version":"1.0","type":"link"}