---
product_id: 49345770
title: "ERA Fortress 261-31A, 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect"
brand: "era"
price: "45382CFA"
currency: XOF
in_stock: true
reviews_count: 9
category: "Era"
url: https://www.desertcart.sn/products/49345770-era-fortress-261-31a-2-5-inch-64mm-5-lever
store_origin: SN
region: Senegal
---

# BS 3621 Insurance Approved 5 Lever Maximum Security Hacksaw, Drill, Pick Resistant ERA Fortress 261-31A, 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect

**Brand:** era
**Price:** 45382CFA
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in your safety, unlock your peace of mind.

## Quick Answers

- **What is this?** ERA Fortress 261-31A, 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect by era
- **How much does it cost?** 45382CFA 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-261-31a-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

- • **Hardened Steel Defense:** Laminated steel deadbolt and casing plates protect against hacksaws and drills.
- • **Effortless Installation:** Includes fixings and fits seamlessly on timber and composite doors—upgrade your security in no time.
- • **Sleek Handle-Free Design:** Mortice deadlock requires no door handle, offering a clean, minimalist aesthetic.
- • **Unmatched 5-Lever Security:** Engineered to resist lock picking and forced entry for ultimate peace of mind.
- • **Insurance-Backed Protection:** BS 3621 British Standard certified and police-approved for trusted home and commercial security.

## Overview

The ERA Fortress 261-31A is a brass-effect, 2.5-inch (64mm) mortice deadlock featuring a 5-lever mechanism that meets the BS 3621 British Standard for maximum security. Designed to resist hacksaw, drill, and lock-picking attacks, it includes a 20mm throw laminated steel deadbolt and hardened steel casing plates. Ideal for external timber and composite doors, this lock requires no handle and comes with all fixings for straightforward installation. Trusted by insurance companies and police, ERA Fortress offers over 150 years of proven security expertise.

## 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 |
| Batteries Required? | No |
| Batteries included? | No |
| Battery description | Not Included |
| Best Sellers Rank | 35,384 in DIY & Tools ( See Top 100 in DIY & Tools ) 31 in Mortise Locks 53 in Lock Cylinders 705 in Home Security Systems |
| Colour | Brass |
| Customer Reviews | 4.4 4.4 out of 5 stars (635) |
| Date First Available | 22 Jun. 2010 |
| Finish | Laminated |
| Included Components | ERA Fortress BS 3621 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect |
| Item Package Quantity | 1 |
| Item Weight | 480 g |
| Item model number | 261-31A |
| Manufacturer | ERA |
| Material | Alloy Steel |
| Measurement System | CM |
| Number of Pieces | 1 |
| Part Number | 261-31 |
| Product Dimensions | 13.4 x 6.7 x 2.6 cm; 480 g |
| Shape | Rectangular |
| Size | 18.8 x 11.6 x 2.8 cm |
| Special Features | Unlock keys |
| Style | Traditional |

## 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:** Alloy Steel
- **Special feature:** Unlock keys

## Images

![ERA Fortress 261-31A, 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect - Image 1](https://m.media-amazon.com/images/I/7143bo6mF4L.jpg)
![ERA Fortress 261-31A, 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect - 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 £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 £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 :)

### ⭐⭐⭐⭐ Very good lock- but beware cost of spare keys
*by S***H on 7 June 2024*

Very good lock, installed very easily. Comes with 2 keys, but we need 4, and was very surprised when the 2 extra keys cost more than the lock itself ! In our local town, or online, the cost was about the same.

## 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

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**Shop now:** [https://www.desertcart.sn/products/49345770-era-fortress-261-31a-2-5-inch-64mm-5-lever](https://www.desertcart.sn/products/49345770-era-fortress-261-31a-2-5-inch-64mm-5-lever)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-25*