LockwoodSKU: 3572SC

Lockwood Primary Lock, Case & Accessories Sc



Suitable for heavy duty use in industrial and commercial buildings, institutions, clubs, schools, hospitals, hotels, and similar buildings.

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

These locks have various latching functions which can be operated by key or handle outside and by turnknob, key or handle inside.


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.
Latchbolts are 15mm, stainless steel. Deadlatching is achieved by an auxiliary stainless steel latchbolt. This auxiliary bolt retracts when the main latchbolt is withdrawn when the door is closed.
Deadbolts are 19mm, stainless steel.
Springs from high grade spring steel material, corrosion protected.
Cylinder Retaining Pin from Hard-drawn spring steel wire, corrosion protected.
Suits Door Thickness 32mm to 50mm
Locksets to suit thicker doors are available on application. To ensure correct functioning of the deadlatching mechanism and security for all locks, the clearance between the door and the frame should be 3mm. However the deadlatching will operate up to 8mm door clearance.
Uses standard Lockwood oval shaped brass cylinders and brass barrels. Functions require the use of different cams and adaptors.
Available in Chrome Plate CP, Satin Chrome Brushed SC andPolished Brass PB

All 3570 Series Cylinder Mortice Locks conform with Level S2 (Physical Security) Australian Lock Standard (AS-4145.2-1993). Level S3 (Physical Security) is available upon request.

All 3570 Series Cylinder Mortice Locks conform with level D3 (Durability) Australian Lock Standard (AS 4145.2- 1993).
Fire Rating

Lockwood 3570 Series Mortice Locks have been successfully tested up to 4 hours (depending on type of doorset) on fire door assemblies in accordance with Australian Standard AS 1905.1- 2005, Part 1: Fire Resistant Doorsets.