---
product_id: 49345770
title: "Fortress 261-31A, 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect"
brand: "era"
price: "€ 58.10"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/49345770-fortress-261-31a-2-5-inch-64mm-5-lever-maximum
store_origin: FI
region: Finland
---

# 5 Lever Maximum Security No Handle Required Hacksaw & Drill Resistant Fortress 261-31A, 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect

**Brand:** era
**Price:** € 58.10
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in peace of mind with ERA Fortress – where security meets timeless strength!

## Quick Answers

- **What is this?** Fortress 261-31A, 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect by era
- **How much does it cost?** € 58.10 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/49345770-fortress-261-31a-2-5-inch-64mm-5-lever-maximum)

## 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

- • **Legacy of Trust:** Over 150 years of ERA’s expertise ensuring your property stays safe and sound.
- • **Built to Defy Attacks:** Hardened steel plates and laminated deadbolt resist hacksaws, drills, and lock picking.
- • **Sleek Handle-Free Design:** Mortice deadlock that secures your door without the need for handles—minimalist and secure.
- • **Unmatched 5 Lever Security:** British Standard BS 3621 certified for ultimate protection against forced entry.
- • **Insurance & Police Approved:** Trusted by authorities and insurance companies for reliable home and commercial security.

## Overview

The ERA Fortress 261-31A is a British Standard BS 3621 certified 5 lever mortice deadlock designed for external timber and composite doors. Featuring a 20mm laminated steel deadbolt and hardened steel casing, it offers robust resistance against hacksaw, drill, and lock picking attacks. This brass-effect lock requires no door handle and comes with all fixings included, making it an ideal upgrade for enhanced home or commercial security. Trusted by insurance companies and police, ERA’s 150+ years of expertise guarantee maximum protection and peace of mind.

## Description

ERA Fortress 261-31A, 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect

## Features

- Hacksaw, Drill, Pick resistant
- No handle required
- (261-31). Fixings included

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | ERA |
| Part Number | 261-31 |
| Product Dimensions | 13.4 x 6.7 x 2.6 cm; 480 g |
| Item model number | 261-31A |
| Size | 18.8 x 11.6 x 2.8 cm |
| Colour | Brass |
| Finish | Laminated |
| Material | Alloy Steel |
| Shape | Rectangular |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Measurement System | CM |
| Special Features | Unlock keys |
| Included Components | ERA Fortress BS 3621 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Deadlock - Brass Effect |
| Batteries included? | No |
| Batteries Required? | No |
| Battery description | Not Included |
| Item Weight | 480 g |

## Product Details

- **Brand:** ERA
- **Special feature:** Unlock keys
- **Lock type:** Mortise Lock
- **Item dimensions L x W x H:** 13.4 x 6.7 x 2.6 centimetres
- **Material:** Alloy Steel

## Images

![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)

## 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

## 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.fi/products/49345770-fortress-261-31a-2-5-inch-64mm-5-lever-maximum](https://www.desertcart.fi/products/49345770-fortress-261-31a-2-5-inch-64mm-5-lever-maximum)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-10*