{"product_id":"blum-71b3780-110-inset-knock-in-soft-close-hinge","title":"Blum 71B3780 CLIP top BLUMOTION 110° Inset Knock-In Hinge","description":"\u003ch2\u003eBlum 71B3780 CLIP top BLUMOTION 110° Inset Knock-In Hinge\u003c\/h2\u003e\n\n\u003cp\u003eThe Blum 71B3780 is a soft-close concealed hinge for inset cabinet doors that close within the cabinet opening. Its fully cranked hinge arm provides the geometry required for a correctly planned inset installation.\u003c\/p\u003e\n\n\u003cp\u003eThe hinge opens to 110° and incorporates Blum’s BLUMOTION damping system for smooth, controlled closing. BLUMOTION can be switched off on individual hinges when less damping is required for a small or lightweight door.\u003c\/p\u003e\n\n\u003cp\u003eThis version has a 35mm steel hinge cup with pre-mounted knock-in dowels. The cup is installed into an accurately prepared three-hole drilling pattern using suitable insertion equipment, making it particularly suitable for workshop and production environments.\u003c\/p\u003e\n\n\u003cp\u003eOnce the cup is fitted, the hinge arm connects to a compatible Blum CLIP mounting plate without tools. This allows the complete door to be removed and refitted without disturbing the cup fixing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSupplied as one hinge with pre-mounted cup-fixing dowels. The cabinet mounting plate and cabinet fixings are sold separately.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eDesigned for inset cabinet doors\u003c\/li\u003e\n\u003cli\u003eFully cranked hinge-arm configuration\u003c\/li\u003e\n\u003cli\u003e110° opening angle\u003c\/li\u003e\n\u003cli\u003eIntegrated BLUMOTION soft closing\u003c\/li\u003e\n\u003cli\u003eBLUMOTION can be deactivated on individual hinges\u003c\/li\u003e\n\u003cli\u003eSprung and self-closing\u003c\/li\u003e\n\u003cli\u003e35mm knock-in steel hinge cup\u003c\/li\u003e\n\u003cli\u003ePre-mounted cup-fixing dowels\u003c\/li\u003e\n\u003cli\u003eSuitable for prepared three-hole drilling patterns\u003c\/li\u003e\n\u003cli\u003eTool-free CLIP connection to the mounting plate\u003c\/li\u003e\n\u003cli\u003eThree-dimensional door adjustment\u003c\/li\u003e\n\u003cli\u003eConvenient spiral-screw depth adjustment\u003c\/li\u003e\n\u003cli\u003eNickel-plated steel construction\u003c\/li\u003e\n\u003cli\u003eSupplied individually\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eBlum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProduct range\u003c\/th\u003e\n\u003ctd\u003eCLIP top BLUMOTION\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBlum part number\u003c\/th\u003e\n\u003ctd\u003e71B3780\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHart Wholesale stock code\u003c\/th\u003e\n\u003ctd\u003eHI71B3780\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eInset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHinge-arm configuration\u003c\/th\u003e\n\u003ctd\u003eFully cranked\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOpening angle\u003c\/th\u003e\n\u003ctd\u003e110°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eClosing action\u003c\/th\u003e\n\u003ctd\u003eSprung\/self-closing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSoft-close system\u003c\/th\u003e\n\u003ctd\u003eIntegrated, switchable BLUMOTION\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDoor fixing\u003c\/th\u003e\n\u003ctd\u003eKnock-in hinge cup with pre-mounted dowels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHinge-cup diameter\u003c\/th\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCup-drilling depth\u003c\/th\u003e\n\u003ctd\u003e13mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDowel-hole diameter\u003c\/th\u003e\n\u003ctd\u003e8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDowel-hole centres\u003c\/th\u003e\n\u003ctd\u003e45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCup-drilling distance\u003c\/th\u003e\n\u003ctd\u003e3–7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSide adjustment\u003c\/th\u003e\n\u003ctd\u003e±2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDepth adjustment\u003c\/th\u003e\n\u003ctd\u003e+3\/−2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHeight adjustment\u003c\/th\u003e\n\u003ctd\u003eDepends on the selected mounting plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCabinet connection\u003c\/th\u003e\n\u003ctd\u003eBlum CLIP mounting plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMounting plate included\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNickel plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eQuantity supplied\u003c\/th\u003e\n\u003ctd\u003eOne hinge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eKnock-in installation\u003c\/h3\u003e\n\n\u003cp\u003eThe door must be prepared with a 35mm hinge-cup bore and two accurately positioned 8mm dowel holes on 45mm centres. The pre-mounted dowels are pressed into these holes using suitable hinge-insertion equipment.\u003c\/p\u003e\n\n\u003cp\u003eKnock-in does not mean the hinge can be installed without preparation or simply hammered into a standard screw-on cup drilling. Correct drilling and controlled insertion help prevent damage to the hinge, dowels and cabinet door.\u003c\/p\u003e\n\n\u003ch3\u003eInset-door planning\u003c\/h3\u003e\n\n\u003cp\u003eAn inset door closes within the cabinet opening rather than overlaying the cabinet side panels. The required surrounding gap depends on the door thickness, edge profile, cup-drilling distance, mounting-plate position and cabinet construction.\u003c\/p\u003e\n\n\u003cp\u003eThe mounting plate must be positioned correctly for the actual door thickness and required inset position. Complete a trial installation before drilling a full set of doors.\u003c\/p\u003e\n\n\u003ch3\u003eChoosing the correct cup fixing\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eChoose 71B3780 for a knock-in cup with pre-mounted dowels\u003c\/li\u003e\n\u003cli\u003eChoose 71B3790 for tool-free INSERTA cup fixing\u003c\/li\u003e\n\u003cli\u003eChoose 71B3750 for a conventional screw-on cup\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAll three versions provide an inset application, 110° opening and integrated BLUMOTION. The difference is how the hinge cup is secured to the door.\u003c\/p\u003e\n\n\u003cp\u003eBrowse our \u003ca href=\"\/collections\/blum-hinges-clip-top-mounting-plates\"\u003eBlum CLIP mounting plates\u003c\/a\u003e and the complete \u003ca href=\"\/collections\/blum-hinges-clip-top\"\u003eBlum CLIP top hinge range\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes the Blum 71B3780 include soft close?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. BLUMOTION soft closing is integrated into the hinge and can be deactivated on individual hinges when required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat does knock-in mean?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe hinge cup has pre-mounted dowels that are pressed into accurately drilled fixing holes in the cabinet door.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the knock-in cup tool-free?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Suitable drilling and controlled insertion equipment are recommended. Only the CLIP connection between the hinge arm and mounting plate is tool-free.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAre the cup-fixing dowels included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The knock-in dowels are pre-mounted on the hinge cup.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAre boss plates purchased separately?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The boss or hinge cup is part of the hinge. It is the cabinet-side Blum CLIP mounting plate that must be purchased separately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the mounting plate included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Select the appropriate Blum CLIP mounting plate for the cabinet construction and required inset position.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between 71B3780 and 71B3790?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 71B3780 uses pre-mounted knock-in dowels. The 71B3790 uses Blum’s tool-free INSERTA locking system.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan the door be removed without tools?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Once installed, the hinge arm can be released from the mounting plate without removing the cup from the door.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow many hinges are supplied?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis listing is for one hinge.\u003c\/p\u003e","brand":"JULIUS BLUM UK LTD","offers":[{"title":"Default Title","offer_id":62846511677789,"sku":"HI71B3780","price":3.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/HI71B3780.jpg?v=1785403421","url":"https:\/\/www.blum.org.uk\/products\/blum-71b3780-110-inset-knock-in-soft-close-hinge","provider":"Hart Wholesale","version":"1.0","type":"link"}