ERA Fortress 5 Lever Mortice Deadlock — 76mm, Electro Brass

The ERA Fortress 5 Lever Mortice Deadlock (DF361-31) is a high-security lock engineered to meet the most exacting demands of insurers and the Police. Conforming to BS 3621:2017, it features hardened steel anti-drill plates, false-notched steel levers to resist picking, and a 20mm bolt throw for maximum strength.

Key Features & Benefits

• BS 3621:2017 certified — meets insurance company and Police requirements
• 20mm bolt throw for additional strength and security
• Hardened steel anti-drill plates in the lock body resist drilling
• Two hardened steel plates in the deadbolt resist hacksawing
• False-notched steel levers resist lock picking
• 1,000 key variations for enhanced security
• 10-year mechanical guarantee

Certifications & Approvals

• ✅ BS 3621:2017
• ✅ Insurance compliant
• ✅ NHW (Neighbourhood Watch) recommended
• ✅ CE marked
• ✅ UKCA certified
• ✅ CERTIFIRE approved

Technical Specification

• SKU: DF361-31
• Type: 5 Lever Mortice Deadlock
• Backset: 76mm
• Bolt throw: 20mm
• Finish: Electro Brass
• Keying: Standard (not keyed alike)
• Standard: BS 3621:2017

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