{"product_id":"latch-3-hooks-2-anti-lift-pins-4-rollers-double-spindle-multipoint-door-lock","title":"Latch 3 Hooks 2 Anti Lift Pins 4 Rollers Double Spindle Multipoint Door Lock","description":"\u003cp\u003e\u003cstrong\u003eLockmaster Standard Multipoint Door Lock\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Lockmaster Standard multipoint door lock is designed for security and durability, featuring:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e4 Rollers\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2 Hooks\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1 Latch\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2 Anti Lift Bolts\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis model incorporates a hook in the central gearbox instead of a traditional deadbolt, along with two additional anti-lift hooks and four rollers. It's important to note that this version is unsprung and should only be paired with sprung handles. The compatible handles listed below are all sprung.\u003c\/p\u003e\n\u003cp\u003eThe Lockmaster range is extensive, offering various lock variants with locking points positioned differently. We stock the most popular versions, which can be adapted for minor alterations, or we can source the exact product you need.\u003c\/p\u003e\n\u003cp\u003eIdentifying Lockmaster locks is straightforward once removed from the door, even if the logo isn't visible. Look for upward-throwing locks, often with an anti-lift pin, and a large gearbox measuring 228mm, which are key indicators.\u003c\/p\u003e\n\u003cp\u003eAs the UK's best-selling multipoint door lock, Lockmaster was acquired by Yale in the early 2010s, becoming part of a broader range that includes Yale, Millenco, Millenco Mantis, and Lockmaster brands. Some locks may also be found under different branding, such as Milamaster.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Considerations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBe aware that older Lockmaster versions may have different locking point locations, which could necessitate enlarging the routing prep on the door by 40-50mm to accommodate new locations and reposition the keeps.\u003c\/p\u003e\n\u003cp\u003eLockmaster gearboxes come in 35mm or 45mm backsets, with options for double or single spindle mechanisms. Bifold door versions are available in 25mm and 28mm backsets.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble spindle locks\u003c\/strong\u003e: Feature 62mm and 92mm centres and are unsprung, thus requiring sprung door handles. They can function as lift lever or double spindle nightlatch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle spindles\u003c\/strong\u003e: Are sprung and can only be used as a lift lever function.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGearboxes measure 228mm high plus backset +15mm. The latch and deadbolt each measure 30mm high, with a 65mm distance between the bottom of the latch and the top of the deadbolt.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGearbox Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGearboxes are fitted to faceplates with three screw holes. The measurements are as follows:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTop to middle screw hole: 109mm\u003c\/li\u003e\n\u003cli\u003eMiddle to bottom screw hole: 109mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEarlier versions may include a small spindle hole at the top of the case near the latch, used to hold the latch back.\u003c\/p\u003e\n\u003cp\u003eThe 45mm version mirrors the 35mm but features an extended latch and deadbolt, along with a cover plate for conversion.\u003c\/p\u003e\n\u003cp\u003eLockmaster locks may have standard hooks or hooks with an anti-lift pin below them, with hooks always throwing upwards and hook cases measuring 136mm high.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRoller Functionality\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRollers serve to compress and pull the door against the frame, aiding in preventing dust and water ingress. While they don't significantly enhance security, they help prevent door warping by supporting the door's full height, contingent on proper engagement with their keeps. Rollers are typically adjustable by 1mm for optimal weather sealing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOperation Instructions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo lock the door:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eClose the door to engage the latch automatically.\u003c\/li\u003e\n\u003cli\u003eLift the handle to engage the locking points.\u003c\/li\u003e\n\u003cli\u003eTurn the key to lock the system.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eTo unlock the door:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eTurn the key to unlock the system.\u003c\/li\u003e\n\u003cli\u003ePush the handle down to disengage the locking points.\u003c\/li\u003e\n\u003cli\u003eA quarter turn of the key will retract the latch.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCorrosion Resistance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTested to BS EN 1670:2007 Grade 4 (240hrs. NSST), Lockmaster locks are built to last. We also stock a range of associated products, including keeps, spindles, handles, and accessories.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLatch Reversal\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo reverse the latch, undo the screw(s) (depending on the model), remove the latch, reverse it, and reinsert the screw(s).\u003c\/p\u003e\n\u003cp\u003eThis lock is suitable for use as a UPVC or aluminium door lock.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Lockmaster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackset\u003c\/strong\u003e: Select from drop-down\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentres PZ\u003c\/strong\u003e: 92mm\/62mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaceplate\u003c\/strong\u003e: Select from drop-down\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle Size\u003c\/strong\u003e: 8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRollers\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHooks\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLatch\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti Lift Bolts\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Gearbox\u003c\/strong\u003e: Latch \u0026amp; hookbolt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation\u003c\/strong\u003e: Select from drop-down\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle\u003c\/strong\u003e: Double 8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHanding\u003c\/strong\u003e: Non-handed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistance Between Inner Locking\u003c\/strong\u003e: 847mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistance Between Outer Locking\u003c\/strong\u003e: 1409mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 2100mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Hook to Spindle\u003c\/strong\u003e: 579mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom Hook to Spindle\u003c\/strong\u003e: 582mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Roller to Spindle\u003c\/strong\u003e: 713mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom Roller to Spindle\u003c\/strong\u003e: 696mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoor Material\u003c\/strong\u003e: UPVC, Aluminium\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lockmaster","offers":[{"title":"35mm \/ Flat 16mm - Square Ends \/ Double Spindle","offer_id":54399209308498,"sku":"LMWW3H4R35-UDF","price":87.31,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/7994\/7858\/files\/LMWW3H4R35_1.avif?v=1787734188","url":"https:\/\/upvcfittings.co.uk\/products\/latch-3-hooks-2-anti-lift-pins-4-rollers-double-spindle-multipoint-door-lock","provider":"UPVC Fittings","version":"1.0","type":"link"}