Lockwood 355 deadbolts are the strongest contender for best lock ever.
- Concealled fixing points - 11 of them
- Deadlock mode, passage mode, or turnknob mode
- Inbuilt clutching device
- Strong interlocking case and mounting plate to resist jemmy and hammer attack
- Positive deadlocking action
- Fits any thickness of door
- No external protrusion to attack
- Minimal holes in door retains door strength integrity
- Available for open-in or open-out doors
- Available for timber or metal frames
355 Deadlock Dimensions
Measurements in mm
Be The First To Review This Product!
Help other Matrix Key Systems users shop smarter by writing reviews for products you have purchased.