{"product_id":"mckinney-sp3786-4-1-2x4-1-2-us26d-full-mortise-stormpro-heavy-weight-bearing-hinge-five-knuckle-626-satin-chrome-finish","title":"McKinney SP3786-4-1\/2x4-1\/2-US26D Full Mortise StormPro Heavy Weight Bearing Hinge, Five Knuckle, 626 Satin Chrome Finish","description":"\u003ch2\u003eMcKinney SP3786-4-1\/2x4-1\/2-US26D Full Mortise StormPro Heavy Weight Bearing Hinge, Five Knuckle, 4-1\/2\" x 4-1\/2\", Square Corner, 626 Satin Chrome Finish\u003c\/h2\u003e\u003cp\u003eThe McKinney SP3786 StormPro is a full mortise heavy weight bearing hinge engineered for openings that must withstand extreme conditions, including tornado and storm shelter applications. Measuring 4-1\/2\" x 4-1\/2\" with a square corner design and finished in 626 Satin Chrome, this five knuckle hinge combines rugged construction with smooth, reliable operation. Built to carry heavy doors under high-traffic and high-stress environments, it provides the durability required for life-safety rated assemblies. Its bearing design reduces wear over time, making it a dependable choice for commercial and institutional doors where long-term performance and code compliance are essential.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFull mortise heavy weight bearing hinge designed for demanding, high-cycle openings.\u003c\/li\u003e\n\u003cli\u003eFive knuckle construction delivers strength and stable load distribution.\u003c\/li\u003e\n\u003cli\u003e4-1\/2\" x 4-1\/2\" size with square corner configuration for standard door prep.\u003c\/li\u003e\n\u003cli\u003eStormPro engineering makes it suitable for tornado-resistant and storm shelter door assemblies.\u003c\/li\u003e\n\u003cli\u003e626 Satin Chrome finish offers a clean, professional appearance with corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eBearing design minimizes friction and extends the service life of the hinge.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFunctional Details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe StormPro bearing hinge is built to support heavy doors while maintaining smooth movement, using concealed bearings between the knuckles to reduce wear during frequent operation. Its reinforced construction allows it to meet the performance demands of tornado and storm shelter rated openings.\u003c\/p\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\u003eSP3786-4-1\/2x4-1\/2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eFull Mortise Heavy Weight Bearing Hinge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKnuckle Configuration\u003c\/th\u003e\n\u003ctd\u003eFive Knuckle\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\u003eFinish\u003c\/th\u003e\n\u003ctd\u003e626 Satin Chrome (US26D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eStormPro Tornado-Resistant Openings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003ctd\u003eHeavy 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\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\u003eHinge Height\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Width (Open)\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of Knuckles\u003c\/th\u003e\n\u003ctd\u003e5\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\u003eWeight Classification\u003c\/th\u003e\n\u003ctd\u003eHeavy Weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing Type\u003c\/th\u003e\n\u003ctd\u003eBearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting Type\u003c\/th\u003e\n\u003ctd\u003eFull Mortise\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\u003eRated Application\u003c\/th\u003e\n\u003ctd\u003eTornado \/ Storm Shelter Resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish Code\u003c\/th\u003e\n\u003ctd\u003e626 \/ US26D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"MCKINNEY","offers":[{"title":"Default Title","offer_id":48391328366798,"sku":"SP37864545US26D","price":140.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/3493\/4478\/files\/MckinneySP37864545US26D.png?v=1790095185","url":"https:\/\/qualitydoorhardware.ca\/products\/mckinney-sp3786-4-1-2x4-1-2-us26d-full-mortise-stormpro-heavy-weight-bearing-hinge-five-knuckle-626-satin-chrome-finish","provider":"QualityDoor.com","version":"1.0","type":"link"}