{"product_id":"drop-bolt-lock-with-key-cylinder-12v-electric-lock-with-manual-override","title":"Drop Bolt Lock with Key Cylinder – 12V Electric Lock with Manual Override","description":"\u003ch2 data-start=\"127\" data-end=\"144\"\u003eKey Features\u003c\/h2\u003e\r\\n\u003cp data-start=\"146\" data-end=\"393\"\u003e• 12V DC Electric Drop Bolt Lock\u003cbr data-start=\"178\" data-end=\"181\"\u003e• Built-in Key Cylinder for Manual Override\u003cbr data-start=\"224\" data-end=\"227\"\u003e• Strong Stainless Steel Bolt\u003cbr data-start=\"256\" data-end=\"259\"\u003e• Fail-Safe Operation (Unlocks on Power Off)\u003cbr data-start=\"303\" data-end=\"306\"\u003e• Compatible with Access Control Systems\u003cbr data-start=\"346\" data-end=\"349\"\u003e• Suitable for Glass, Wooden \u0026amp; Metal Doors\u003c\/p\u003e\n\n\u003cp data-start=\"427\" data-end=\"608\"\u003eThe \u003cstrong data-start=\"431\" data-end=\"467\"\u003eDrop Bolt Lock with Key Cylinder\u003c\/strong\u003e is a secure electric door locking solution designed for access control systems that require both electronic control and manual key override.\u003c\/p\u003e\r\\n\u003cp data-start=\"610\" data-end=\"891\"\u003eOperating on \u003cstrong data-start=\"623\" data-end=\"633\"\u003e12V DC\u003c\/strong\u003e, the lock extends a solid stainless steel bolt into the door frame when powered, providing strong and secure locking. In case of emergency, maintenance, or power issues, the \u003cstrong data-start=\"808\" data-end=\"833\"\u003ebuilt-in key cylinder\u003c\/strong\u003e allows manual unlocking for added safety and convenience.\u003c\/p\u003e\r\\n\u003cp data-start=\"893\" data-end=\"1011\"\u003eThis model features a \u003cstrong data-start=\"915\" data-end=\"935\"\u003efail-safe design\u003c\/strong\u003e, meaning it unlocks automatically during power failure to ensure safe exit.\u003c\/p\u003e\r\\n\u003cp data-start=\"1013\" data-end=\"1152\"\u003eIt is ideal for glass doors (with U bracket), wooden doors, and metal doors in offices, commercial buildings, apartments, and secure areas.\u003c\/p\u003e\r\\n\r\\n\u003ch2 data-start=\"1831\" data-end=\"1853\"\u003ePackage Includes\u003c\/h2\u003e\r\\n\u003cp data-start=\"1855\" data-end=\"1893\"\u003e1 × Drop Bolt Lock with Key Cylinder\u003c\/p\u003e\r\\n\u003cp data-start=\"1895\" data-end=\"1912\"\u003e2 × Manual Keys\u003c\/p\u003e\r\\n\u003cp data-start=\"1914\" data-end=\"1931\"\u003eMounting Screws\u003c\/p\u003e\r\\n\u003cp data-start=\"1933\" data-end=\"1947\"\u003eWiring Cable\u003c\/p\u003e\r\\n\u003cp data-start=\"1949\" data-end=\"1969\"\u003eInstallation Guide\u003c\/p\u003e\r\\n\r\\n\u003c!--zzmv2--\u003e\r\\n\u003cp\u003e\u003cstrong\u003eA drop bolt you can still open when the power is out.\u003c\/strong\u003e This 12V electric bolt lock includes a key cylinder, which means the bolt can be withdrawn mechanically with a key regardless of whether the lock has power. For a fail secure bolt in a country with routine load shedding, that override is not a luxury feature. It is often the difference between a workable installation and a door nobody can open.\u003c\/p\u003e\r\\n\u003cp\u003e\u003cstrong\u003eWhy the key cylinder matters more here than elsewhere.\u003c\/strong\u003e A standard drop bolt stays locked when power fails. That is excellent for security and a genuine problem the first time an outage coincides with someone needing to get through the door. Without an override, your options are a backup power supply or waiting for the electricity to return. The key cylinder removes that dependency entirely, which is why we recommend this version for any door where being locked out would matter.\u003c\/p\u003e\r\\n\u003cp\u003e\u003cstrong\u003eWhere this version earns its cost.\u003c\/strong\u003e Shop shutters and side doors, store rooms holding stock you may need at short notice, offices where staff arrive before the generator is running, godowns, and any door that is the only practical route into a space. It is also the sensible choice where the door is used by people who would have no way of resolving a power related lockout themselves.\u003c\/p\u003e\r\\n\u003cp\u003e\u003cstrong\u003eDrop bolt or magnetic lock.\u003c\/strong\u003e A magnetic lock releases the moment power is lost, making it appropriate for escape routes but useless for keeping a door secure through load shedding. A drop bolt physically pins the door with a steel bolt and stays locked without power, which is stronger against forcing. This version adds the key override so you retain access without giving up that security. Tell us how the door is used and we will recommend honestly between the two.\u003c\/p\u003e\r\\n\u003cp\u003e\u003cstrong\u003eKey management, which people underestimate.\u003c\/strong\u003e The override key is now part of your security. Keep it somewhere accessible but not beside the door it opens, and decide deliberately who holds a copy. A key hanging on a hook next to the lock defeats the purpose of having a lock at all. For business premises, keep a record of who has been issued one.\u003c\/p\u003e\r\\n\u003cp\u003e\u003cstrong\u003eTimer delay, and the fault that is not a fault.\u003c\/strong\u003e Drop bolts include an adjustable delay before the bolt drops, giving the door time to close fully and settle before the bolt engages. Set too short, the bolt fires while the door is still swinging and jams against the plate or misses the hole. A large share of complaints that a bolt lock is defective turn out to be a delay set too tight. Set it generously and the lock behaves properly.\u003c\/p\u003e\r\\n\u003cp\u003e\u003cstrong\u003eAlignment matters more than with a magnet.\u003c\/strong\u003e A magnetic lock tolerates small variation because it holds by contact. A bolt must physically enter a hole. Fit the receiving plate so the bolt lands centred rather than at the edge of the opening, and allow for the fact that doors settle on their hinges and frames move with heat and humidity through the Pakistani year. A bolt that starts grinding or failing to throw is nearly always an alignment issue, not a failed lock.\u003c\/p\u003e\r\\n\u003cp\u003e\u003cstrong\u003eWhat the complete installation needs.\u003c\/strong\u003e The bolt is one part. You also need a controller such as a keypad or card reader, an exit button inside, a power supply rated for the lock, and mounting brackets suited to your door. Glass doors need a U bracket or patch fitting. Ordering these together avoids the familiar situation of an electrician on site with a missing component.\u003c\/p\u003e\r\\n\u003cp\u003e\u003cstrong\u003eIs this suitable for a fire exit?\u003c\/strong\u003e A fail secure bolt on an escape route needs an emergency break glass release in addition to the key override, since occupants cannot be expected to find a key during an evacuation. Tell us if the door is on an escape route and we will specify it properly.\u003c\/p\u003e\r\\n\u003cp\u003e\u003cstrong\u003eCan I open it from outside with the key?\u003c\/strong\u003e The cylinder allows mechanical withdrawal of the bolt. Confirm the mounting orientation with us for your specific door so the key is accessible from the side you need.\u003c\/p\u003e\r\\n\u003cp\u003e\u003cstrong\u003eDoes it still work normally with power?\u003c\/strong\u003e Yes. The key is an override, not the primary method. Day to day it operates from your access control system exactly like a standard bolt.\u003c\/p\u003e\r\\n\u003cp\u003e\u003cstrong\u003eWhy does the bolt sometimes not enter cleanly?\u003c\/strong\u003e Alignment or too short a timer delay. Both are adjustable and neither means the lock is faulty.\u003c\/p\u003e\r\\n\u003cp\u003e\u003cstrong\u003eBuying from ZZ Marts.\u003c\/strong\u003e In stock at our Karachi (Saddar) and Lahore stores with nationwide delivery, supplied by Zam Zam Traders, trading in access control since 2005. We also stock standard 12V drop bolts, glass door bolts, five wire versions with status output, magnetic locks and brackets, exit buttons, break glass releases, power supplies, and access keypads. Tell us your door type and how it is used and we will specify the complete installation.\u003c\/p\u003e","brand":"ZZ Marts","offers":[{"title":"Default Title","offer_id":52827972993336,"sku":"m500 with key","price":12500.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/3932\/4984\/files\/Stainless-steel-mortise-lock-close-up.png?v=1787211258","url":"https:\/\/zzmarts.com\/products\/drop-bolt-lock-with-key-cylinder-12v-electric-lock-with-manual-override","provider":"ZZ Marts | Zam Zam Traders","version":"1.0","type":"link"}