{"product_id":"mckinney-ta386-4-1-2x4-1-2-us32d-nrp-full-mortise-heavy-weight-concealed-bearing-hinge-non-removable-pin-630-satin-stainless-steel-finish","title":"McKinney TA386-4-1\/2x4-1\/2-US32D-NRP Full Mortise Heavy Weight Concealed Bearing Hinge, Non Removable Pin, 630 Satin Stainless Steel Finish","description":"\u003ch2\u003eMcKinney TA386-4-1\/2x4-1\/2-US32D-NRP Full Mortise Heavy Weight Concealed Bearing Hinge, Three Knuckle, 4-1\/2\" x 4-1\/2\", Non Removable Pin, Square Corner, 630 Satin Stainless Steel Finish\u003c\/h2\u003e\u003cp\u003eThe McKinney TA386-4-1\/2x4-1\/2-US32D-NRP is a full mortise, heavy weight hinge built for high-frequency and high-traffic openings where durability matters most. Constructed from stainless steel with a 630 satin stainless finish, it features a three-knuckle concealed bearing design that carries the load smoothly while resisting wear over years of service. The 4-1\/2\" x 4-1\/2\" size with square corners suits standard commercial door and frame prep, and the non-removable pin (NRP) adds security by preventing pin removal on out-swinging exterior doors. Ideal for schools, hospitals, and other institutional settings, this hinge delivers reliable, long-term performance where strength and corrosion resistance are essential.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy weight construction engineered for high-frequency, high-traffic openings.\u003c\/li\u003e\n\u003cli\u003eConcealed bearing design provides smooth operation and extended service life.\u003c\/li\u003e\n\u003cli\u003eThree-knuckle configuration offers dependable strength and support.\u003c\/li\u003e\n\u003cli\u003eNon-removable pin (NRP) enhances security on out-swinging exterior doors.\u003c\/li\u003e\n\u003cli\u003eDurable 630 satin stainless steel finish resists corrosion and wear.\u003c\/li\u003e\n\u003cli\u003e4-1\/2\" x 4-1\/2\" size with square corners fits standard commercial preps.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFunctional Details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe concealed bearing system positions the bearings within the barrel of the hinge, keeping them hidden from view while allowing consistent, low-friction movement under heavy loads. The non-removable pin feature secures the pin in place so it cannot be removed once installed, protecting exterior doors against tampering.\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\u003eTA386-4-1\/2x4-1\/2-NRP\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\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\u003eFinish\u003c\/th\u003e\n\u003ctd\u003e630 Satin Stainless Steel (US32D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Type\u003c\/th\u003e\n\u003ctd\u003eFull Mortise, Concealed Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKnuckle Configuration\u003c\/th\u003e\n\u003ctd\u003eThree 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\u003ePin Type\u003c\/th\u003e\n\u003ctd\u003eNon Removable Pin (NRP)\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\u003eLimited Lifetime Warranty\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 Size\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\" x 4-1\/2\"\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\u003eBearing Type\u003c\/th\u003e\n\u003ctd\u003eConcealed Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of Knuckles\u003c\/th\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBase Material\u003c\/th\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e0.180\"\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\u003eRecommended Door Type\u003c\/th\u003e\n\u003ctd\u003eHigh-frequency, high-traffic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFastener Type\u003c\/th\u003e\n\u003ctd\u003eMachine and wood screws included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePin Configuration\u003c\/th\u003e\n\u003ctd\u003eNon Removable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"MCKINNEY","offers":[{"title":"Default Title","offer_id":48333228507342,"sku":"TA3864545NRPUS32D","price":112.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/3493\/4478\/files\/McKinney_TA386-4-12x4-12-US32D-NRP.png?v=1788886983","url":"https:\/\/qualitydoorhardware.ca\/products\/mckinney-ta386-4-1-2x4-1-2-us32d-nrp-full-mortise-heavy-weight-concealed-bearing-hinge-non-removable-pin-630-satin-stainless-steel-finish","provider":"QualityDoor.com","version":"1.0","type":"link"}