{"product_id":"mckinney-t4a3786-4-1-2x4-full-mortise-heavy-weight-five-knuckle-hinge","title":"McKinney T4A3786-4-1\/2x4 Full Mortise Heavy Weight Five Knuckle Hinge","description":"\u003ch2\u003eMcKinney T4A3786-4-1\/2x4 Full Mortise Heavy Weight Five Knuckle Hinge\u003c\/h2\u003e\u003cp\u003eThe McKinney T4A3786 is a full mortise, heavy weight, five knuckle hinge built for high-traffic and high-frequency commercial openings. Measuring 4-1\/2 inches by 4 inches, it features concealed ball bearings that keep doors swinging smoothly under demanding conditions while reducing wear over time. Constructed to McKinney's proven durability standards, this hinge is a dependable choice for medium to heavy doors in offices, schools, hospitals, and other institutional settings. Its five knuckle design provides balanced load distribution and a clean, professional appearance. With a non-removable pin option available on many templates, the T4A3786 delivers the strength and longevity specifiers expect from McKinney hardware.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFull mortise design mounts into a prepared door and frame for a flush, concealed fit.\u003c\/li\u003e\n\u003cli\u003eHeavy weight construction handles heavy doors and demanding cycle requirements.\u003c\/li\u003e\n\u003cli\u003eFive knuckle configuration distributes load evenly for smooth operation.\u003c\/li\u003e\n\u003cli\u003eConcealed ball bearings reduce friction and extend service life.\u003c\/li\u003e\n\u003cli\u003e4-1\/2 inch by 4 inch dimensions suit a wide range of standard commercial openings.\u003c\/li\u003e\n\u003cli\u003eManufactured by McKinney, a trusted name in commercial hinge hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFunctional Details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe concealed ball bearing design supports consistent door movement and load handling, making it well suited for openings that see frequent daily use. The bearings carry the weight of the door and minimize binding over thousands of cycles.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFull mortise, ball bearing hinge for heavy weight, high frequency applications.\u003c\/li\u003e\n\u003cli\u003eRecommended for medium and heavy weight doors.\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\u003eT4A3786-4-1\/2x4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eFull Mortise Ball Bearing Hinge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight Class\u003c\/th\u003e\n\u003ctd\u003eHeavy Weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003ctd\u003eCommercial \/ Institutional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eUSA\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\u003eUL Listing Type\u003c\/th\u003e\n\u003ctd\u003eUL Listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eANSI Number\u003c\/th\u003e\n\u003ctd\u003eANSI\/BHMA A156.1\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\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e4-1\/2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWidth (Open)\u003c\/th\u003e\n\u003ctd\u003e4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKnuckle Count\u003c\/th\u003e\n\u003ctd\u003eFive Knuckle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing Type\u003c\/th\u003e\n\u003ctd\u003eConcealed Ball Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of Bearings\u003c\/th\u003e\n\u003ctd\u003e4\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\u003eWeight Rating\u003c\/th\u003e\n\u003ctd\u003eHeavy Weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency Rating\u003c\/th\u003e\n\u003ctd\u003eHigh Frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e0.180 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard Hole Pattern\u003c\/th\u003e\n\u003ctd\u003eTemplate Drilled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Door Weight\u003c\/th\u003e\n\u003ctd\u003eMedium to Heavy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"MCKINNEY","offers":[{"title":"US26D-626 Satin Chrome","offer_id":48370443681998,"sku":"T4A3786454US26D","price":35.62,"currency_code":"USD","in_stock":true},{"title":"US10B-613 Oil Rubbed Bronze","offer_id":48370443714766,"sku":"T4A3786454US10B","price":49.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/3493\/4478\/files\/T4A3786454US26D.png?v=1789502499","url":"https:\/\/qualitydoor.com\/products\/mckinney-t4a3786-4-1-2x4-full-mortise-heavy-weight-five-knuckle-hinge","provider":"QualityDoor.com","version":"1.0","type":"link"}