--- product_id: 49345770 title: "ERA Fortress BS 3621 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect, 261-31" brand: "era" price: "47888CFA" currency: XOF in_stock: true reviews_count: 9 category: "Era" url: https://www.desertcart.sn/products/49345770-era-fortress-bs-3621-2-5-inch-64mm-5-lever store_origin: SN region: Senegal --- # 5-lever maximum security Fixings included for easy install Hacksaw & drill resistant ERA Fortress BS 3621 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect, 261-31 **Brand:** era **Price:** 47888CFA **Availability:** βœ… In Stock ## Summary > πŸ” Lock in your safety with Fortress-level protection! ## Quick Answers - **What is this?** ERA Fortress BS 3621 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect, 261-31 by era - **How much does it cost?** 47888CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/49345770-era-fortress-bs-3621-2-5-inch-64mm-5-lever) ## Best For - era enthusiasts ## Why This Product - Trusted era brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Trusted Heritage:** ERA’s 150+ years of UK lock-making excellence ensures peace of mind - β€’ **Built to Defy Attacks:** Hardened steel plates and laminated deadbolt resist hacksaws, drills, and picks - β€’ **Effortless Installation:** Comes with all fixingsβ€”no handle required, perfect for quick upgrades - β€’ **Insurance & Police Approved:** Meets stringent standards recognized by insurers and law enforcement - β€’ **Unrivaled Security Assurance:** BS 3621 certified for ultimate home & commercial protection ## Overview The ERA Fortress BS 3621 Mortice Deadlock delivers top-tier security with a 5-lever mechanism, hardened steel anti-drill plates, and a 20mm deadbolt throw. Designed for external timber and composite doors, it’s BS 3621 certified and trusted by insurance companies and police, making it the go-to upgrade for millennial professionals seeking reliable, hassle-free home or office security. ## Description ERA Fortress British Standard 3621 5 Lever Maximum Security Deadlocks are recommended for External timber and composite doors. The BS 3621 standard is recognised as giving the maximum protection for home and commercial use, approved by Insurance companies and the Police. The laminated steel Deadbolt helps to prevent hacksaw attacks. The Deadbolt has a 20mm throw for greater security. Hardened steel plates on the casing prevent drill attacks. The 5 Lever mechanism is designed to prevent lock picking. ERA Fortress locks are ideal for use in new doors or upgrading security from 2 and 3 lever door locks. Deadlocks do not require door handles. ERA Locks have been providing high quality home and business security products for over 150 years. ERA is one of the UK's most recognised Lock brands providing you with the peace of mind that your property and possesions are locked up safe and sound. ERA Locks are approved by Insurance companies. The extensive range of products includes, Nightlatches, Mortice Locks, Window Locks, Cylinders, UPVC and Composite door locks, Digital Door Locks & Wordlock Padlocks. Review: Spot on! - Well made and fits perfectly Review: Great sturdy lock at a great price :) - Great study lock at a great price, was purchased for a bedroom door always known era to be of good quality and standing I myself installed the lock and being competent with my hands being a handy man I found the install straight forward and easy with fairly minimal tools (combi drill a rattler a sharp chisel couple of spade bits and the relevant marking implements a pencil tape square etc ) the lock looks tidy and smart and comes with a few spare keys 10/10 from me does the job and looks well hope this review helps :) ## Features - Hacksaw, Drill, Pick resistant - No handle required - (261-31). Fixings included ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003TL5SUO | | Best Sellers Rank | 10,862 in DIY & Tools ( See Top 100 in DIY & Tools ) 10 in Mortise Locks 26 in Lock Cylinders 271 in Home Security Systems | | Brand | ERA | | Colour | Bronce | | Control Method | Touch | | Country of Origin | United Kingdom | | Customer Reviews | 4.5 out of 5 stars 640 Reviews | | Finish | Bronze Effect | | Included Components | ERA Fortress BS 3621 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect | | Item Dimensions | 13.4 x 6.7 x 2.6 centimetres | | Item Type Name | Mortice Deadlock | | Item Weight | 480 Grams | | Item dimensions L x W x H | 13.4 x 6.7 x 2.6 centimetres | | Lock Type | Mortise Lock | | Lock type | Mortise Lock | | Manufacturer | ERA | | Manufacturer Warranty Description | N/a. | | Material | Brass | | Model Name | Fortress Mortice Lock | | Model Number | 261-31 | | Number of Pieces | 1 | | Part Number | 261-31 | | Recommended Uses For Product | Security | | Recommended uses for product | Security | | Shape | Rectangular | | Smart Home Compatibility | Not Smart Home Compatible | | Special Features | Unlock keys | | Special feature | Unlock keys | | Style | Classic | | Unit Count | 1.0 count | ## Product Details - **Brand:** ERA - **Item dimensions L x W x H:** 13.4 x 6.7 x 2.6 centimetres - **Lock type:** Mortise Lock - **Material:** Brass - **Special feature:** Unlock keys ## Images ![ERA Fortress BS 3621 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect, 261-31 - Image 1](https://m.media-amazon.com/images/I/7143bo6mF4L.jpg) ![ERA Fortress BS 3621 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect, 261-31 - Image 2](https://m.media-amazon.com/images/I/4114qr2QoBL.jpg) ## Questions & Answers **Q: I am replacing a lock. Mine is 64 mm from front to back, and approx 75 mm deep on the bit that goes into door, will this fit pkease** A: I couldn't measure it but have the box. These are the details so that you can E Mail Era Security for correct dimensions. For Fortress BS Deadlock 2 1/2" Brass Effect Box (261-31 LAL0009). 20 mil Anti Drill Bolt. Bar code 5 011988 002035. Tech help 01922490050. www.era-security.com I hope this helps. Chris :o) **Q: The used one you have fxor sale at Β£11.63 how many keys are included?** A: Ther is some mixup,i do not have one for sale,but 2 keys are usually provided **Q: Is it possible to get 2 locks with matching keys?** A: yes keyed alike s order **Q: Hi. I lost the key form my lock it is (ERA 201 Viscount - 5 Lever Deadlock (65mm)) I would like to ask is it possible to have keys cut remotely?** A: If it is I expect you would need a locksmith. My thoughts are that it would be cheaper to replace the lock. You can get one as cheap as Β£14 - see this link.http://www.lockshopdirect.co.uk/era-viscount-201-301-5-lever-deadlock ## Customer Reviews ### ⭐⭐⭐⭐⭐ Spot on! *by T***S on 17 January 2026* Well made and fits perfectly ### ⭐⭐⭐⭐⭐ Great sturdy lock at a great price :) *by A***M on 28 July 2021* Great study lock at a great price, was purchased for a bedroom door always known era to be of good quality and standing I myself installed the lock and being competent with my hands being a handy man I found the install straight forward and easy with fairly minimal tools (combi drill a rattler a sharp chisel couple of spade bits and the relevant marking implements a pencil tape square etc ) the lock looks tidy and smart and comes with a few spare keys 10/10 from me does the job and looks well hope this review helps :) ### ⭐⭐⭐⭐ Decent qualiry *by M***. on 22 January 2026* Good lock but didn't fit the space it was replacing,, but decent quality. ## Frequently Bought Together - ERA Fortress 261-31A, 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect - Yale P-77-ENB-PB-60 - Traditional Nightlatch - 60mm - Electro Nickel Brass Finish - Standard Security - ERA Fortress BS 3621 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Sashlock - Brass Effect --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/49345770-era-fortress-bs-3621-2-5-inch-64mm-5-lever](https://www.desertcart.sn/products/49345770-era-fortress-bs-3621-2-5-inch-64mm-5-lever) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-07-14*