BS3621 Fortress 5 Lever Mortice Sashlock

• Conforms to the BS 3621:2017; meets the exacting demands of insurance companies and the Police
• 20mm bolt throw for additional strength and security
• Designed with hardened steel plates to resist drilling and two hardened steel plates in the deadbolt to resist hacksawing
• Keys have 1.000 variations for added security
• All steel levers have false notching to resist lock picking
• Easily reversible latch bolt to enable both left and right handed operation.

The BS3621 Fortress 5 Lever Mortice Sashlock is a top-tier security lock designed for external wooden doors, combining convenience and high protection. Certified to the stringent BS3621:2007 standard, this sashlock is insurance-approved and ideal for residential and commercial properties requiring trusted security solutions.

This sashlock features a 5 lever mechanism that provides enhanced protection against picking, drilling, and forced entry attempts. Its integrated latch and deadbolt design offers smooth operation with lever handles and reliable locking controlled by a key, delivering the best of both worlds—ease of use and maximum security.

Available in two popular finishes—polished brass and satin chrome—the lock complements a wide range of door hardware and architectural styles. The unit is supplied complete with two keys, a strike plate, a faceplate, and all necessary fixings for straightforward installation, making it suitable for professionals and DIY enthusiasts alike.

Ideal for front, back, or side doors, this mortice sashlock fits most UK wooden doors and ensures your property meets insurance requirements for external door security.