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Mortice Cylinders

Mul-T-Lock mortice screw-in cylinders for aluminium and commercial mortice lock systems. You use them to replace or upgrade existing threaded cylinders with higher security control.
Shop the range for Mul-T-Lock mortice cylinder upgrades.

Mul-T-Lock mortice screw-in cylinders are designed for mortice lock cases that use a threaded cylinder fixing system. You use them to replace worn cylinders or upgrade existing installations without changing the full lock body.

These cylinders screw directly into compatible mortice lock cases, giving a secure fit for aluminium and commercial door systems.

They are commonly used in:

• Aluminium commercial entrance doors
• Steel and timber mortice lock systems
• Office, retail and service doors
• Replacement and security upgrade work

Key points:

• Mul-T-Lock high-security cylinder platform
• Screw-in threaded mortice design
• Key/key and key/thumbturn options available
• Suitable for replacement or upgrade use
• Built for high-frequency door operation

You select the correct cylinder based on door thickness, lock case compatibility and required key system. Matching matters because mortice systems vary between manufacturers and door hardware types.

Garrison Mul-T-Lock mortice screw-in cylinders are used where you want stronger key control and a direct replacement solution without changing the full lock case.

Shop the full range of Mul-T-Lock mortice screw-in cylinders today for fast delivery.