{"product_id":"mckinney-ta2731-4-1-2x4-1-2-full-mortise-standard-weight-concealed-bearing-hinge-two-knuckle","title":"McKinney TA2731-4-1\/2x4-1\/2 Full Mortise Standard Weight Concealed Bearing Hinge, Two Knuckle","description":"\u003ch2\u003eMcKinney TA2731-4-1\/2x4-1\/2 Full Mortise Standard Weight Concealed Bearing Hinge, Two Knuckle, 4-1\/2\" x 4-1\/2\", Square Corner\u003c\/h2\u003e\u003cp\u003eThe McKinney TA2731 is a full mortise standard weight hinge built for dependable, everyday performance on medium-frequency doors. Measuring 4-1\/2\" x 4-1\/2\" with a square corner, it features a concealed bearing design and a two-knuckle construction that delivers smooth, quiet operation while keeping the working mechanism protected from dust and wear. Manufactured from steel with a five-knuckle-equivalent strength profile, this hinge is well suited for commercial interior and light-to-moderate traffic applications. As part of McKinney's respected TA series, it offers reliable load handling, long service life, and consistent alignment, making it a trusted choice for architects, contractors, and facility managers alike.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFull mortise design for flush installation into the door and frame.\u003c\/li\u003e\n\u003cli\u003eConcealed bearing construction promotes smooth, quiet swing action.\u003c\/li\u003e\n\u003cli\u003eTwo knuckle configuration provides a clean, streamlined appearance.\u003c\/li\u003e\n\u003cli\u003eStandard weight build suited for medium-frequency commercial doors.\u003c\/li\u003e\n\u003cli\u003e4-1\/2\" x 4-1\/2\" size with square corners for common commercial prep.\u003c\/li\u003e\n\u003cli\u003eSteel material offers strong load support and dependable durability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Specifications\u003c\/h4\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eMcKinney\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eTA2731-4-1\/2x4-1\/2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eFull Mortise Butt Hinge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing Type\u003c\/th\u003e\n\u003ctd\u003eConcealed Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKnuckle Configuration\u003c\/th\u003e\n\u003ctd\u003eTwo Knuckle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight Class\u003c\/th\u003e\n\u003ctd\u003eStandard Weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCorner Type\u003c\/th\u003e\n\u003ctd\u003eSquare Corner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003ctd\u003eStandard Weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUnit of Measure\u003c\/th\u003e\n\u003ctd\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBAA Qualified\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLimited Warranty\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\" x 4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWidth (Open)\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBase Material\u003c\/th\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e0.134\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of Knuckles\u003c\/th\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing Type\u003c\/th\u003e\n\u003ctd\u003eConcealed Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCorner Radius\u003c\/th\u003e\n\u003ctd\u003eSquare Corner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of Holes\u003c\/th\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePin Type\u003c\/th\u003e\n\u003ctd\u003eNon-Removable \/ Standard Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Frequency\u003c\/th\u003e\n\u003ctd\u003eMedium Frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"MCKINNEY","offers":[{"title":"US26D-626 Satin Chrome \/ LH Left Hand","offer_id":48391331643598,"sku":"TA27314545US26DLH","price":29.32,"currency_code":"USD","in_stock":true},{"title":"US10-612 Satin Bronze \/ LH Left Hand","offer_id":48391350976718,"sku":"TA27314545US10LH","price":41.64,"currency_code":"USD","in_stock":true},{"title":"US15-619 Satin Nickel \/ LH Left Hand","offer_id":48391351009486,"sku":"TA27314545US15LH","price":41.64,"currency_code":"USD","in_stock":true},{"title":"US26-625 Bright Chrome \/ LH Left 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