The best high security gate lock depends on the gate’s construction and the type of locking point it accepts. For a built-in keyed lock, the GateMate Long Throw keyed-both-sides model is best for wooden gates up to 2¾ inches thick. For a hasp, the Magmaus armoured padlock offers a restricted keyway, while the BRX66 adds a hardened steel shackle and protective casing. The GateMate thumbturn model suits buyers who want keyed entry from one side and a thumbturn from the other; the DELSWIN is a key-free combination option.
| Product | Best For | Locking Style |
|---|---|---|
| GateMate Keyed Both Sides | Wooden gates and doors | Built-in keyed lock |
| Magmaus RTL50 | Outdoor hasps and compatible latches | Armoured padlock |
| GateMate Key/Thumbturn | Gates needing a thumbturn inside | Built-in lock |
| BRX66 Container Padlock | Gates, sheds, and containers | Armoured padlock |
| DELSWIN Combination Padlock | Key-free access | Four-digit combination |
GateMate Keyed-Both-Sides Long Throw Lock
Best for: Owners of wooden gates or doors up to 2¾ inches thick who want a built-in lock operated by key from either side. It has a high-security five-pin barrel, a bolt with a hardened steel core, steel housing, and 316 stainless steel components. The package includes five keys.
Installation materials include security screws, a driver bit, drill bits, fitting instructions, and a self-adhesive drilling template. The elongated anti-rattle keep is designed to limit rattling, and an anti-chafe plate helps protect the fixing post. These features make it a practical choice when a padlock and separate hasp are not the preferred setup.
Limitation: Check the gate thickness and installation layout before buying; this model is specified for gates and doors up to 2¾ inches thick.
Magmaus RTL50 Armoured Padlock
Best for: Buyers whose gate has a compatible hasp, latch, or chain connection and who want a keyed outdoor padlock. The product lists a patented anti-theft cylinder intended to resist picking, drilling, and key cloning, plus a restricted keyway intended to prevent unauthorized key duplication. It is made from stainless steel and described as weatherproof and corrosion-resistant.
The lock has 0.43-inch (11 mm) shackle clearance and a 0.31-inch (8 mm) locking bolt thickness. Measure the hasp opening and gate hardware before choosing it; the manufacturer specifically advises checking whether the clearance is sufficient.
Limitation: Its fit depends on the opening and geometry of the hasp. It will not replace a built-in gate lock where no suitable padlock point exists.
GateMate Long Throw Key And Thumbturn Lock
Best for: Buyers who prefer a built-in lock with a key on one side and a thumbturn on the other. The listed construction is 316 stainless steel with a black powder-coated finish, which the product description identifies as corrosion-resistant for outdoor use. Its long-throw design is intended for gates and similar doors.
This option is better suited to someone who wants a different operating style from a keyed-both-sides lock. Compare the gate’s thickness and installation requirements with the product specifications before ordering.
Limitation: The supplied product details specify suitability for material up to 2 inches thick but provide fewer installation details than the keyed-both-sides model. Confirm fit and included hardware with the listing.
BRX66 Heavy-Duty Container Padlock
Best for: Buyers securing a gate, shed, garage, or container that already has a compatible padlock hasp. The BRX66 has a 10 mm hardened steel shackle described as cut-resistant, an anti-drill brass cylinder, and an outer steel casing designed to help protect against drilling, crowbars, and hammer impacts. It comes with five keys.
Compared with a built-in lock, this padlock can be removed from its hasp when unlocked. That makes correct hasp placement and access to the shackle important parts of the setup.
Limitation: The product details do not specify shackle clearance, so check the dimensions against the gate hardware before purchase.
DELSWIN Four-Digit Combination Padlock
Best for: People who want to avoid carrying or distributing keys. This outdoor combination padlock has a resettable four-digit code, a hardened steel shackle, and a body described as weather-resistant and corrosion-resistant. The listing states that the code can be set through a bottom window and offers 10,000 possible combinations.
Choose this if key-free access is more convenient for the people who use the gate. Set a memorable code and share it only with authorized users.
Limitation: Anyone with the combination can unlock it, so code sharing and changes matter. Verify that the shackle fits the hasp before buying.
Buying Guide: How To Choose A High Security Gate Lock
Does your gate need a built-in lock or a padlock?
A built-in lock such as either GateMate model is suitable when the gate can accommodate the lock body and its installation. A padlock is a more direct choice when the gate already has a sturdy, compatible hasp. A padlock’s security also depends on the strength and placement of that hardware.
Will the lock fit the gate and latch?
Measure gate thickness for a built-in lock. For a padlock, measure the hasp opening and compare it with shackle clearance. The Magmaus lists 0.43-inch clearance; the BRX66 product details do not state its clearance. Check the listing for exact fit information rather than assuming locks are interchangeable.
Which access method is right for your household?
Keyed-both-sides operation keeps access dependent on a key from either side. A key-and-thumbturn setup offers a different inside operating method. A combination lock removes the need for keys but requires secure code handling. Consider who needs access and how keys or codes will be managed.
What outdoor features should you compare?
Look for product-described materials and weather protection, such as stainless steel construction or a weather-resistant finish. Also consider installation supplies, corrosion resistance, and whether the lock’s design suits exposed hardware. These details can inform a comparison, but they do not replace checking the lock’s fit or maintaining the gate and latch.
Frequently Asked Questions
What is the best type of lock for a wooden gate?
A built-in lock can be a good fit if the gate’s thickness and construction match its specifications. The GateMate keyed-both-sides model is listed for wooden gates and doors up to 2¾ inches thick.
Are padlocks suitable for outdoor gates?
They can be, provided the padlock is described for outdoor use and fits a sturdy hasp. Check the lock’s weather-related features and dimensions before buying.
What does shackle clearance mean?
Shackle clearance is the opening available for the hasp or other hardware to pass through the padlock. Measure the hardware and compare it with the lock’s listed clearance.
Is a combination lock better than a keyed lock?
Neither access method is best for everyone. A combination lock avoids key management, while a keyed lock does not depend on remembering or protecting a shared code.
What should I measure before ordering?
For a built-in lock, measure gate thickness and check the installation layout. For a padlock, measure the hasp opening and confirm the shackle can pass through it.