The lock must be mounted with the cam holes in the bar facing downwards to avoid water ingress. The lock body should be no less 5mm from the edges of the gate and obviously the throw of the lock needs to reach across to secure the gate.
eBay
Door Chain with Lock Door Lock Bolt Chain Kids Safety Security Home Latch Buckle Guard Lock
Aliexpress UK
These door bolts can be used in a variety of situations including internal doors and securing storage units. This may be to keep valuables secure, keep children out of unsafe rooms or just to ensure certain doors remain closed such as attic doors, cellar doors, airing cupboards and other internal cupboards and cabinets.
eBay
Sliding Bolt Door Latch Stainless Steel Bolt With Padlock Hole Heavy Duty Garden Gate Shed Door
Aliexpress UK
Traditional Toilet Cubical Lock. Vacant / Engaged Indicator. 1 hole through the door connects both sides.
eBay
Stainless steel bolt door bolt with lock, anti-theft solid door bolt hardware accessories, bolt lock
Aliexpress UK
Disabled Facility Toilet Handle Set. Suitable for hinged or sliding bathroom doors. Disabled facility indicator bolt. Suitable for door thickness 35mm – 50mm. Reversible so will suit a left or right handed doors.
eBay
Door Lock Buckles 90 Degree Buckle Right Angle Hook Lock Bolts Stainless Steel For Sliding Door
Aliexpress UK
SLIDE BOLT Bathroom Toilet Shed Door Lock/Catch/Lat. Type: Bolt Latch. Quality Door Bolt Heavy Duty Construction Traditional Style Sliding Door Bolt Steel Shoot Barrel Type Bolt Lock Unlike Cheaper Versions.
eBay
1/2PCS Anti-theft Buckle Door Buckle Door Bolt Door Lock Buckle Hasp Door Anti-lock Buckle Household
Aliexpress UK
This finger operated shoot bolt lock is designed for use the slave door on a pair of uPVC french doors. The slave door being the one that opens second to the main one. uPVC French Door Shoot Bolts. With our knowledge and wide range of repair parts, we can solve any problems you may have with your uPVC windows and doors.
eBay
Single Cylinder Deadbolt, Round Deadbolt Lock with Keys, Modern Door Locks with Deadbolt, Deadbolt
Aliexpress UK
Dead Bolt Lock with or without Key. Steel rack bolt with or without key. Option to buy just a spare key. Strike plates and fixings included.
eBay
Door and Window Rotating Lock 180 Degree Latch Door Bolt Sliding Door Lock Push-pull Door Lock
Aliexpress UK
High Quality Surface Door Bolts. Premium Quality.
eBay
90 ﾰ Right Angle Door Latch Stainless Steel Door Lock Bolt for Barn Sliding Door Flip Door Buckle
Aliexpress UK