DORMA offers a choice of rugged dead bolts to provide an added level of protection.
The DB800 Series are Grade 1dead bolts available with 2-3/8" and 2-3/4" (standard) backsets.
The 1" throw dead bolt includes a hardened steel roller to prevent sawing through the bolt.
The heavy duty cylinders are throughbolted, with reinforced cylinder rings to protect against physical attack.
Brass 6-pin cylinders are provided for security and durability.
The solid steel strike plate reinforcement with 2" screws protects the door jamb against a kick-in attack.
• Dead bolt operated by key either side.
• Dead bolt operated by key outside. • Turn retracts dead bolt but does not project it.