{"title":"1\/4 Radius Hinges for Interior Door","description":"\u003cp\u003eWrong hinge radius. Two words that mean one thing: re-chisel the frame, redo the install, restart the schedule. Does your door prep call for 1\/4 inch radius corners, and are you sure your hinge actually matches it?\u003c\/p\u003e\n\u003cp\u003eWaterson 1\/4 radius hinges are precision-engineered for exactly this fit, combining a self-closing mechanism with the tight-corner profile that modern and specialty doors demand, delivered in corrosion-resistant stainless steel that works as hard as the door it carries.\u003c\/p\u003e\n\u003cp\u003eGet the radius right the first time, close on spec, not on guesswork.\u003c\/p\u003e","products":[{"product_id":"3pcs-1-4-radius-door-hinge-self-closing-4x4-7ft-260-lbs-k51m-400-a3-14r","title":"3pcs 1\/4 Radius Door Hinge Self Closing | Fire Rated | 4x4 | 7ft | 260 lbs | 1 ⅜ or 1 ¾” Thick | SS304 | K51M-400-A3-14R","description":"\u003cp\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eWaterson's 1\/4 radius self-closing door hinge is built for residential openings that need reliable, adjustable closing control without the bulk of traditional closers. Precision-engineered, easy to install, and designed to stay out of sight. \u003c\/span\u003e\u003cstrong style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003ca href=\"https:\/\/watersonusa.com\/wp-content\/pdf\/en\/about\/Waterson-Closer-Hinge-MFG-Warranty.pdf\"\u003e10 years warranty\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAttention: Special finishes (US4) is non-refundable \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDESCRIPTION\u003c\/li\u003e\n\u003cli\u003eDETAILS\u003c\/li\u003e\n\u003cli\u003eSPECIFICATIONS\u003c\/li\u003e\n\u003cli\u003eVIDEO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cb\u003eApplications\u003c\/b\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHotel Rooms \u003c\/li\u003e\n\u003cli\u003eHold Open  \u003c\/li\u003e\n\u003cli\u003eArch Top \u003c\/li\u003e\n\u003cli\u003eHeavy Duty\u003c\/li\u003e\n\u003cli\u003eInterior \u0026amp; Exterior\u003c\/li\u003e\n\u003cli\u003eCourtyard Style\u003c\/li\u003e\n\u003cli\u003eWhat sets Waterson \u003cstrong\u003e\u003ca rel=\"noopener\" title=\"door closer for arched door\" href=\"https:\/\/watersonusa.com\/solutions\/door-closer-for-arched-door\" target=\"_blank\"\u003edoor closer for arched door\u003c\/a\u003e\u003c\/strong\u003e apart from the rest? discover now!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cb\u003eProduct Description and Features\u003c\/b\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFully adjustable closing force and speed according to environment needs\u003c\/li\u003e\n\u003cli\u003eNumerical adjustment panel on hinge end to set up precise tension\u003c\/li\u003e\n\u003cli\u003eMechanical only mechanism supporting heavy duty and fully exterior  \u003c\/li\u003e\n\u003cli\u003eAesthetically pleasing compared to door closers -- without extrusive arms \u003c\/li\u003e\n\u003cli\u003eUL certified cycle testing ensures many years of low maintenance.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cb\u003eInstallation Kits \u003c\/b\u003e\u003cb\u003e \u003c\/b\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBoth machined #12-24 UNC ½”L and wooden tapping #12 x 1 ¼” screws included -- eight (8) of each type per hinge. Pack contains five (5) spares as well.\u003c\/li\u003e\n\u003cli\u003eThree steel adhesive shims for gap adjustment between door and frame as needed\u003c\/li\u003e\n\u003cli\u003eTension Crook: Keeps hinge open during installation  \u003c\/li\u003e\n\u003cli\u003e5mm \u0026amp; 3mm hex allen wrenches  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cb\u003eCompliance Standards\u003c\/b\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eANSI A156.17 Grade 1 : one million cycle testing  \u003c\/li\u003e\n\u003cli\u003eANSI A156.7 Template Hinge : 4” x 4”\u003c\/li\u003e\n\u003cli\u003eCSI Spec 08 7100 Door Hardware \u0026amp; 08 7808 Self-closing Hinges  \u003c\/li\u003e\n\u003cli\u003eADA Force : opening force no more than 5 lbs\u003c\/li\u003e\n\u003cli\u003eADA Closing Speed: at least 5 sec to move from m 90° to 12°\u003c\/li\u003e\n\u003cli\u003eADA Vertical Clearance: Does not intrude into the doorway as do some overhead closers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"table-product\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct SKU\u003c\/td\u003e\n\u003ctd\u003eK51M-400-C3-14R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHinge Type\u003c\/td\u003e\n\u003ctd\u003eFull Mortise, 4 Inch x 4 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHinge Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoor Weight\u003c\/td\u003e\n\u003ctd\u003eFrom 40lbs to 260lbs \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox Door Size\u003c\/td\u003e\n\u003ctd\u003e1150mm W x 2200mm H (4ft x 7ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoor Thickness\u003c\/td\u003e\n\u003ctd\u003e1 ¾” (40-50 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSelf-closing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFluid Motion\u003c\/td\u003e\n\u003ctd\u003ex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHold-open\u003c\/td\u003e\n\u003ctd\u003ex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFixing Method\u003c\/td\u003e\n\u003ctd\u003eScrew-On, only spot weld AFTER speed adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\/Finish\u003c\/td\u003e\n\u003ctd\u003eSatin Brushed, Black, Gold, ORB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCombination\/Quantity\u003c\/td\u003e\n\u003ctd\u003eSB.SA.SA1,3 Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eProduct Video\u003ciframe style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\" width=\"1280\" height=\"720\" src=\"https:\/\/www.youtube.com\/embed\/fzrFDoANhgo\" title=\"K51M-A3(SA-SA-SA1) Heavy Duty Self Closing Hinge Adjustment instruction\"\u003e\u003c\/iframe\u003e\u003ciframe style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\" src=\"https:\/\/www.youtube.com\/embed\/lDbBOxXY9Ds\" width=\"560\" height=\"315\" data-dashlane-frameid=\"262\"\u003e\u003c\/iframe\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"selfclosing","offers":[{"title":"Satin Stainless Steel-US32D","offer_id":52466080874772,"sku":"K51M-400-A3-14R-US32D-304","price":399.59,"currency_code":"USD","in_stock":true},{"title":"Flat Black-US19","offer_id":52466080907540,"sku":"K51M-400-A3-14R-US19-304","price":399.59,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0251\/3479\/2807\/files\/1_4_radius_door_hinges_K51M-400-A3-14R.png?v=1778034135"},{"product_id":"3pcs-1-4-radius-door-hinge-soft-closing-fire-rated-4x4-7ft-260-lbs-k51m-400-b3-14r","title":"3pcs 1\/4 Radius Door Hinge Soft Closing | Fire Rated | 4x4 | 7ft | 260 lbs | 1 ⅜ or 1 ¾” Thick | SS304 | K51M-400-B3-14R","description":"\u003cp\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eWaterson's 1\/4 radius soft closing door hinge is built for residential openings that need reliable, adjustable closing control with no slamming and no bulk of traditional closers. Precision-engineered, easy to install, and designed to stay out of sight. \u003c\/span\u003e\u003cstrong style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003ca href=\"https:\/\/watersonusa.com\/wp-content\/pdf\/en\/about\/Waterson-Closer-Hinge-MFG-Warranty.pdf\"\u003e10 years warranty\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDESCRIPTION\u003c\/li\u003e\n\u003cli\u003eDETAILS\u003c\/li\u003e\n\u003cli\u003eSPECIFICATIONS\u003c\/li\u003e\n\u003cli\u003eVIDEO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cb\u003eApplications\u003c\/b\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHotel Rooms \u003c\/li\u003e\n\u003cli\u003e3Hr Fire-rated  \u003c\/li\u003e\n\u003cli\u003eSoft Closing\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNo Slamming\u003c\/li\u003e\n\u003cli\u003eArch Top \u003c\/li\u003e\n\u003cli\u003eHeavy Duty\u003c\/li\u003e\n\u003cli\u003eInterior \u0026amp; Exterior\u003c\/li\u003e\n\u003cli\u003eCourtyard Style\u003c\/li\u003e\n\u003cli\u003eWhat sets Waterson \u003cstrong\u003e\u003ca href=\"https:\/\/watersonusa.com\/solutions\/door-closer-for-arched-door\" title=\"door closer for arched door\" rel=\"noopener\" target=\"_blank\"\u003edoor closer for arched door\u003c\/a\u003e\u003c\/strong\u003e apart from the rest? discover now!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cb\u003eProduct Description and Features\u003c\/b\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFully adjustable closing force and speed according to environment needs\u003c\/li\u003e\n\u003cli\u003eNumerical adjustment panel on hinge end to set up precise tension\u003c\/li\u003e\n\u003cli\u003eMechanical only mechanism supporting heavy duty and fully exterior  \u003c\/li\u003e\n\u003cli\u003eAesthetically pleasing compared to door closers -- without extrusive arms \u003c\/li\u003e\n\u003cli\u003eUL certified cycle testing ensures many years of low maintenance.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cb\u003eInstallation Kits \u003c\/b\u003e\u003cb\u003e \u003c\/b\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBoth machined #12-24 UNC ½”L and wooden tapping #12 x 1 ¼” screws included -- eight (8) of each type per hinge. Pack contains five (5) spares as well.\u003c\/li\u003e\n\u003cli\u003eThree steel adhesive shims for gap adjustment between door and frame as needed\u003c\/li\u003e\n\u003cli\u003eTension Crook: Keeps hinge open during installation  \u003c\/li\u003e\n\u003cli\u003e5mm \u0026amp; 3mm hex allen wrenches  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cb\u003eCompliance Standards\u003c\/b\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eANSI A156.17 Grade 1 : one million cycle testing  \u003c\/li\u003e\n\u003cli\u003eANSI A156.7 Template Hinge : 4” x 4”\u003c\/li\u003e\n\u003cli\u003eCSI Spec 08 7100 Door Hardware \u0026amp; 08 7808 Self-closing Hinges  \u003c\/li\u003e\n\u003cli\u003eADA Force : opening force no more than 5 lbs\u003c\/li\u003e\n\u003cli\u003eADA Closing Speed: at least 5 sec to move from m 90° to 12°\u003c\/li\u003e\n\u003cli\u003eADA Vertical Clearance: Does not intrude into the doorway as do some overhead closers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"table-product\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct SKU\u003c\/td\u003e\n\u003ctd\u003eK51M-400-B3-14R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHinge Type\u003c\/td\u003e\n\u003ctd\u003eFull Mortise, 4 Inch x 4 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHinge Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoor Weight\u003c\/td\u003e\n\u003ctd\u003eFrom 40lbs to 260lbs \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox Door Size\u003c\/td\u003e\n\u003ctd\u003e1150mm W x 2200mm H (4ft x 7ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoor Thickness\u003c\/td\u003e\n\u003ctd\u003e1 ¾” (40-50 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSelf-closing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFluid Motion\u003c\/td\u003e\n\u003ctd\u003ex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHold-open\u003c\/td\u003e\n\u003ctd\u003ex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFixing Method\u003c\/td\u003e\n\u003ctd\u003eScrew-On, only spot weld AFTER speed adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\/Finish\u003c\/td\u003e\n\u003ctd\u003eSatin Brushed,Black,Gold,ORB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCombination\/Quantity\u003c\/td\u003e\n\u003ctd\u003eDS.HA.SA,3 Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eProduct Video\u003ciframe width=\"766\" height=\"431\" src=\"https:\/\/www.youtube.com\/embed\/CF2IgTgypl8\" title=\"How To Adjust a Self-Closing Hinge (K51M-B3)\"\u003e\u003c\/iframe\u003e\u003ciframe data-dashlane-frameid=\"262\" height=\"315\" width=\"560\" src=\"https:\/\/www.youtube.com\/embed\/lDbBOxXY9Ds\" style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003c\/iframe\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"selfclosing","offers":[{"title":"Satin Stainless Steel-US32D","offer_id":52476823339284,"sku":"K51M-400-B3-14R-US32D-304","price":440.59,"currency_code":"USD","in_stock":true},{"title":"Flat Black-US19","offer_id":52476823372052,"sku":"K51M-400-B3-14R-US19-304","price":440.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0251\/3479\/2807\/files\/1_4_radius_door_hinge_soft_closing.png?v=1778119091"},{"product_id":"3pcs-1-4-radius-door-hinge-soft-closing-hold-open-4x4-7ft-260-lbs-k51m-400-d3-14r","title":"3pcs 1\/4 Radius Door Hinge Soft Closing | Hold Open | 4x4 | 7ft | 260 lbs | 1 ⅜ or 1 ¾” Thick | SS304 | K51M-400-D3-14R","description":"\u003cp\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eWaterson's 1\/4 radius soft closing door hinge with hold open is built for residential openings that need reliable, adjustable closing control with no slamming and no bulk of traditional closers. Precision-engineered, easy to install, and designed to stay out of sight. \u003c\/span\u003e\u003cstrong style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003ca href=\"https:\/\/watersonusa.com\/wp-content\/pdf\/en\/about\/Waterson-Closer-Hinge-MFG-Warranty.pdf\"\u003e3 years warranty\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDESCRIPTION\u003c\/li\u003e\n\u003cli\u003eDETAILS\u003c\/li\u003e\n\u003cli\u003eSPECIFICATIONS\u003c\/li\u003e\n\u003cli\u003eVIDEO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cb\u003eApplications\u003c\/b\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHotel Rooms \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHold Open\u003c\/li\u003e\n\u003cli\u003eSoft Closing\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNo Slamming\u003c\/li\u003e\n\u003cli\u003eArch Top \u003c\/li\u003e\n\u003cli\u003eHeavy Duty\u003c\/li\u003e\n\u003cli\u003eInterior \u0026amp; Exterior\u003c\/li\u003e\n\u003cli\u003eCourtyard Style\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cb\u003eProduct Description and Features\u003c\/b\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFully adjustable closing force and speed according to environment needs\u003c\/li\u003e\n\u003cli\u003eNumerical adjustment panel on hinge end to set up precise tension\u003c\/li\u003e\n\u003cli\u003eMechanical only mechanism supporting heavy duty and fully exterior  \u003c\/li\u003e\n\u003cli\u003eAesthetically pleasing compared to door closers -- without extrusive arms \u003c\/li\u003e\n\u003cli\u003eUL certified cycle testing ensures many years of low maintenance.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cb\u003eInstallation Kits \u003c\/b\u003e\u003cb\u003e \u003c\/b\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBoth machined #12-24 UNC ½”L and wooden tapping #12 x 1 ¼” screws included -- eight (8) of each type per hinge. Pack contains five (5) spares as well.\u003c\/li\u003e\n\u003cli\u003eThree steel adhesive shims for gap adjustment between door and frame as needed\u003c\/li\u003e\n\u003cli\u003eTension Crook: Keeps hinge open during installation  \u003c\/li\u003e\n\u003cli\u003e5mm \u0026amp; 3mm hex allen wrenches  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cb\u003eCompliance Standards\u003c\/b\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eANSI A156.17 Grade 1 : one million cycle testing  \u003c\/li\u003e\n\u003cli\u003eANSI A156.7 Template Hinge : 4” x 4”\u003c\/li\u003e\n\u003cli\u003eCSI Spec 08 7100 Door Hardware \u0026amp; 08 7808 Self-closing Hinges  \u003c\/li\u003e\n\u003cli\u003eADA Force : opening force no more than 5 lbs\u003c\/li\u003e\n\u003cli\u003eADA Closing Speed: at least 5 sec to move from m 90° to 12°\u003c\/li\u003e\n\u003cli\u003eADA Vertical Clearance: Does not intrude into the doorway as do some overhead closers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"table-product\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct SKU\u003c\/td\u003e\n\u003ctd\u003eK51M-400-D3-14R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHinge Type\u003c\/td\u003e\n\u003ctd\u003eFull Mortise, 4 Inch x 4 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHinge Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoor Weight\u003c\/td\u003e\n\u003ctd\u003eFrom 40lbs to 260lbs \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox Door Size\u003c\/td\u003e\n\u003ctd\u003e1150mm W x 2200mm H (4ft x 7ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoor Thickness\u003c\/td\u003e\n\u003ctd\u003e1 ¾” (40-50 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSelf-closing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFluid Motion\u003c\/td\u003e\n\u003ctd\u003ex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHold-open\u003c\/td\u003e\n\u003ctd\u003ex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFixing Method\u003c\/td\u003e\n\u003ctd\u003eScrew-On, only spot weld AFTER speed adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\/Finish\u003c\/td\u003e\n\u003ctd\u003eSatin Brushed,Black,Gold,ORB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCombination\/Quantity\u003c\/td\u003e\n\u003ctd\u003eDS.HA.SB,3 Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eProduct Video\u003ciframe width=\"1044\" height=\"587\" src=\"https:\/\/www.youtube.com\/embed\/OkJYtn0MTig\" title=\"How To Adjust a Self-Closing Hinge (K51M-D3)\"\u003e\u003c\/iframe\u003e\u003ciframe style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\" src=\"https:\/\/www.youtube.com\/embed\/lDbBOxXY9Ds\" width=\"560\" height=\"315\" data-dashlane-frameid=\"262\"\u003e\u003c\/iframe\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"selfclosing","offers":[{"title":"Satin Stainless Steel-US32D","offer_id":52545536098580,"sku":"K51M-400-D3-14R-US32D-304","price":440.59,"currency_code":"USD","in_stock":false},{"title":"Flat Black-US19","offer_id":52545536131348,"sku":"K51M-400-D3-14R-US19-304","price":440.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0251\/3479\/2807\/files\/Radius_Door_Hinge_Soft_Closing_Hold_Open.png?v=1779761603"},{"product_id":"3pcs-1-4-radius-door-hinge-self-closing-hold-open-4x4-7ft-260-lbs-k51m-400-c3-14r","title":"3pcs 1\/4 Radius Door Hinge Self Closing | Hold Open | 4x4 | 7ft | 260 lbs | 1 ⅜ or 1 ¾” Thick | SS304 | K51M-400-C3-14R","description":"\u003cp\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eWaterson's 1\/4 radius self-closing door hinge is built for residential openings that need reliable, adjustable closing control without the bulk of traditional closers. Precision-engineered, easy to install, and designed to stay out of sight. \u003c\/span\u003e\u003cstrong style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003ca href=\"https:\/\/watersonusa.com\/wp-content\/pdf\/en\/about\/Waterson-Closer-Hinge-MFG-Warranty.pdf\"\u003e10 years warranty\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAttention: Special finishes (US4) is non-refundable \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDESCRIPTION\u003c\/li\u003e\n\u003cli\u003eDETAILS\u003c\/li\u003e\n\u003cli\u003eSPECIFICATIONS\u003c\/li\u003e\n\u003cli\u003eVIDEO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cb\u003eApplications\u003c\/b\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHotel Rooms \u003c\/li\u003e\n\u003cli\u003eHold Open  \u003c\/li\u003e\n\u003cli\u003eArch Top \u003c\/li\u003e\n\u003cli\u003eHeavy Duty\u003c\/li\u003e\n\u003cli\u003eInterior \u0026amp; Exterior\u003c\/li\u003e\n\u003cli\u003eCourtyard Style\u003c\/li\u003e\n\u003cli\u003eWhat sets Waterson \u003cstrong\u003e\u003ca rel=\"noopener\" title=\"door closer for arched door\" href=\"https:\/\/watersonusa.com\/solutions\/door-closer-for-arched-door\" target=\"_blank\"\u003edoor closer for arched door\u003c\/a\u003e\u003c\/strong\u003e apart from the rest? discover now!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cb\u003eProduct Description and Features\u003c\/b\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFully adjustable closing force and speed according to environment needs\u003c\/li\u003e\n\u003cli\u003eNumerical adjustment panel on hinge end to set up precise tension\u003c\/li\u003e\n\u003cli\u003eMechanical only mechanism supporting heavy duty and fully exterior  \u003c\/li\u003e\n\u003cli\u003eAesthetically pleasing compared to door closers -- without extrusive arms \u003c\/li\u003e\n\u003cli\u003eUL certified cycle testing ensures many years of low maintenance.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cb\u003eInstallation Kits \u003c\/b\u003e\u003cb\u003e \u003c\/b\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBoth machined #12-24 UNC ½”L and wooden tapping #12 x 1 ¼” screws included -- eight (8) of each type per hinge. Pack contains five (5) spares as well.\u003c\/li\u003e\n\u003cli\u003eThree steel adhesive shims for gap adjustment between door and frame as needed\u003c\/li\u003e\n\u003cli\u003eTension Crook: Keeps hinge open during installation  \u003c\/li\u003e\n\u003cli\u003e5mm \u0026amp; 3mm hex allen wrenches  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cb\u003eCompliance Standards\u003c\/b\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eANSI A156.17 Grade 1 : one million cycle testing  \u003c\/li\u003e\n\u003cli\u003eANSI A156.7 Template Hinge : 4” x 4”\u003c\/li\u003e\n\u003cli\u003eCSI Spec 08 7100 Door Hardware \u0026amp; 08 7808 Self-closing Hinges  \u003c\/li\u003e\n\u003cli\u003eADA Force : opening force no more than 5 lbs\u003c\/li\u003e\n\u003cli\u003eADA Closing Speed: at least 5 sec to move from m 90° to 12°\u003c\/li\u003e\n\u003cli\u003eADA Vertical Clearance: Does not intrude into the doorway as do some overhead closers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"table-product\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct SKU\u003c\/td\u003e\n\u003ctd\u003eK51M-400-C3-14R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHinge Type\u003c\/td\u003e\n\u003ctd\u003eFull Mortise, 4 Inch x 4 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHinge Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoor Weight\u003c\/td\u003e\n\u003ctd\u003eFrom 40lbs to 260lbs \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox Door Size\u003c\/td\u003e\n\u003ctd\u003e1150mm W x 2200mm H (4ft x 7ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoor Thickness\u003c\/td\u003e\n\u003ctd\u003e1 ¾” (40-50 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSelf-closing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFluid Motion\u003c\/td\u003e\n\u003ctd\u003ex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHold-open\u003c\/td\u003e\n\u003ctd\u003ex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFixing Method\u003c\/td\u003e\n\u003ctd\u003eScrew-On, only spot weld AFTER speed adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\/Finish\u003c\/td\u003e\n\u003ctd\u003eSatin Brushed, Black, Gold, ORB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCombination\/Quantity\u003c\/td\u003e\n\u003ctd\u003eSB.SA.SA1,3 Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eProduct Video\u003ciframe style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\" width=\"1280\" height=\"720\" src=\"https:\/\/www.youtube.com\/embed\/fzrFDoANhgo\" title=\"K51M-A3(SA-SA-SA1) Heavy Duty Self Closing Hinge Adjustment instruction\"\u003e\u003c\/iframe\u003e\u003ciframe style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\" src=\"https:\/\/www.youtube.com\/embed\/lDbBOxXY9Ds\" width=\"560\" height=\"315\" data-dashlane-frameid=\"262\"\u003e\u003c\/iframe\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"selfclosing","offers":[{"title":"Satin Stainless Steel-US32D","offer_id":52545630404884,"sku":"K51M-400-C3-14R-US32D-304","price":399.59,"currency_code":"USD","in_stock":true},{"title":"Flat Black-US19","offer_id":52545630437652,"sku":"K51M-400-C3-14R-US19-304","price":399.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0251\/3479\/2807\/files\/1_4_radius_door_hinges_K51M-400-A3-14R.png?v=1778034135"}],"url":"https:\/\/closerhinge.com\/collections\/1-4-radius-hinges.oembed","provider":"Waterson Multi-function Closer Hinge","version":"1.0","type":"link"}