Locks for 40mm Square metal gate frames | Price: $50 - $250

The Gatemaster Mortice Hook Lock is a unique stainless steel lock that incorporates a latch and deadlock in one single-action bolt. Designed for use on a 40x40mm metal box section or 50x50mm metal box section, once the gate section is cut to receive the locks cutout it can simply be slid in and fixed without any drilling and tapping of the gate needed.  

Superlock Bolt-On Latch Deadlock for 40mm-60mm metal gate frames BLD4060P

A bolt-on solution for gates where access and security are required. Handles operate the latch which can be deadlocked via key.

Can be easily bolted on to square box tube frames from 40mm-60mm in size.

Gatemaster GD40 Weld on Deadlock

Double throw deadlock ready to be welded onto a 40mm wide metal gate frame.

Gatemaster gapless keep – slim and unobtrusive

Requires minimal gap between the gate and the post

Elegant look with adjustable stainless steel strike plate, that allows you to move the expanding gate stop with rubber bumpers.

Supplied with custom expanding fixings for hollow metal box section posts.

This Gatemaster keep works with all of the Superlock range.  Simply mount the gate slam plate onto the gate frame when fixing the lock and use the expanding fasteners to fix the keep onto the gate post.

Secure – Prevents access to the latchbolt.

Keep box section protrudes out 35mm from gatepost, so is ideal if a large gap between gate and post.

Now there’s a general-purpose gravity latch that’s stylishly designed and key lockable.

Now there’s a general-purpose gravity latch that’s stylishly designed and key lockable. Lokk-latch with external access.

Lokk Latch Deluxe is the most sophisticated privacy and security gate latch ever devised.

This substantial weldable mounting dropbolt is designed to secure double gates. Thanks to the ingenious design, the lifting plate will sit between the two gate leaves making sure the dropbolt cannot be lifted unless the gate is unlocked.

This substantial bolt on mounting dropbolt with side fixing is designed to secure double gates. Thanks to the ingenious design, the lifting plate will sit between the two gate leaves making sure the dropbolt cannot be lifted unless the gate is unlocked.

This Gatemaster ADBS dropbolt is a bolt on version to suit metal or timber gates.

This substantial bolt on mounting dropbolt with concealed fixing is designed to secure double gates. Thanks to the ingenious design, the lifting plate will sit between the two gate leaves making sure the dropbolt cannot be lifted unless the gate is unlocked.

This Gatemaster LDB is an aluminium dropbolt and is a bolt on version to suit metal or timber gates.

This substantial bolt on mounting dropbolt with concealed fixing is designed to secure double gates. Thanks to the ingenious design, the lifting plate will sit between the two gate leaves making sure the dropbolt cannot be lifted unless the gate is unlocked.

This Gatemaster LDBSS has an stainless steel dropbolt and is a bolt on version to suit metal or timber gates.