LockwoodSKU: 3540SC

Lockwood Synergy 3540 Short Backset Mortice 22mm Bolt



The 3540 Short Backset Mortice Deadlock are suitable for heavy duty use in industrial and commercial buildings, institutions, clubs, schools, hospitals, hotels, and similar buildings. It is made from quality materials to meet high durability and strength requirements.

This deadlock is a short backset, swing bolt deadlock, suitable for narrow stile hinged doors and sliding doors.


High purity zinc alloy material case.
Brass turnknobs and cylinder escutcheon.
Zinc die cast levers
23mm standard backset.
22mm Sintered stainless steel bolt.
Suits hallow stile door sections with 28mm internal thickness and 58mm maximum external thickness
Brass cylinders and barrels with 5 pin tumbler mechanism
Available in Satin Chrome Brushed SC finish. Other finishes available on application