Union (ex Chubb) 3G135 Fortress Mortice Deadlock

This Union (ex Chubb) 3G135 fortress deadlock is a 5 detainer mortice lock designed for timber doors with a thickness of up to 50mm.

These non-handed detainer locks have a 14mm bolt throw and are force resistant, anti-drill, anti-pick and anti-saw.

The brass deadbolt contains hardened steel rollers to help prevent against hacksawing.

Supplied with 3 keys with a special cranked bitting design.

• Backset: 44mm
• Case: 73mm x 25mm
• Faceplate: 178mm x 25mm
• Deadbolt locked or unlocked by key from either side
• See Technical Image
• Suitable for doors up to 50mm thick
• Anti drill, anti pick and anti saw
• Detainer locks provide a higher number of key combinations than lever locks
• Key blanks feature special cranked bitting
• EN 1634-1 assessed for use on 60 minute timber fire doors
• SC finish available only
• Boxed in singles
• Keys:
• Genuine: 135KB