Description
Union (ex Chubb) 3M51 Mortice Hook Bolt
Operation:
- Hookbolt locked or unlocked by key from either side
- Projecting stump on the lock engages to prevent the door being lifted
Sizes:
- See Technical Image
Notes:
- Anti pick and anti saw
- Detainer locks provide a higher number of key combinations than lever locks
- EN 1634-1 assessed for use on 60 minute timber fire doors
- Painted gold finish available only
- 56mm centres
- Used on sliding doors requiring an automatic closing action
- Suitable for doors up to 50mm thick
Packaging
- Boxed in singles