3571 Mortice Deadlock Primary Lock 60Mm Backset


Lock body only. Does not come with cylinders. Cylinders and/or thumb turns must be bought separately.

  • x: Special Order

In stock (can be backordered)


The 3571 mortice deadbolt is a simple lock that throws a bolt when you choose with either a 570 oval keyed cylinder or an oval thumb turn.

Designed for heavy duty use in industrial and commercial buildings, institutions, clubs, schools, hospitals, hotels, and similar buildings. Is also ideal for pivot doors that have cladding on one side of the door only and require extended cylinders

3570 Series Cylinder Mortice Locks are made from quality materials to meet high durability and strength requirements.

Various deadlocking functions operated generally by a key outside and by a turnknob or key inside. Locked by key or turnknob when the door is closed.

For all deadlock functions specify primary lock (3571SC). This lock can then be easily adapted to suit function required.

19mm stainless steel bolt.

Case and Cover Plates

  • High purity zinc alloy material cases and stainless steel cover plates
  • Brass plates provided for plated finishes available in square and round end


  • 60mm standard backset
  • Extended backsets 89 and 127mm are available on application.

Deadbolts are 19mm, stainless steel.

High grade spring steel material, corrosion protected.

Cylinder Retaining Pin
Hard-drawn spring steel wire, corrosion protected.

Door Thickness
32mm to 50mm