The UNION StrongBOLT SC BS3621 5-Lever Deadlock offers top-tier security for your home or office with its innovative design features. Engineered for greater attack resistance, its chamfered bolt and robust 20mm deadbolt throw provide enhanced protection against forced entry.

This deadlock is equipped with anti-pick, anti-drill, and anti-saw features, ensuring comprehensive defense against various forms of tampering. The lock is suitable for doors up to 54mm thick and includes a security box strike, making it an ideal choice for retrofitting many UK mortice locks. Approved by Secured by Design, this deadlock is a perfect blend of security and convenience for your peace of mind.

• Chamfered bolt for enhanced attack resistance
• Anti-pick, anti-drill, and anti-saw security features
• 20mm deadbolt throw for reliable security
• Fits doors up to 54mm thick
• Easy retro-fit for many UK mortice locks
• Secured by Design approved for peace of mind
• Security box strike included for added protection