Weld-In Sash Lock for 40 x 40mm Box Section Gates, Latch and Double-Throw Deadbolt, Euro Cylinder

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This is a weld-in sash lock for gates made from 40 x 40mm square box section: a steel case that is welded into the gate stile, with a lock body that slides in afterwards, giving a latch bolt that works with a lever handle and a double-throw deadbolt that moves 24mm on the key. Because the lock sits inside the stile, nothing is bolted on to be knocked, cut or tampered with, and the gate keeps a clean, flush look. It comes with a euro cylinder, three keys and a strike plate. Lever handles are not included. The price shown is for one lock.

Why use this lock

Latch and deadlock in one. The latch holds the gate shut every time it closes and opens with the handle, while the deadbolt throws 24mm in two turns of the key for real security.

Hidden inside the gate. Welded into the stile, the lock cannot be unbolted from outside and leaves only the faceplate, cylinder and handles showing.

Welding-friendly design. The case is welded in first and the lock body slides in once the gate is finished and painted, so heat and paint never reach the mechanism.

Standard euro cylinder. The supplied cylinder can be swapped for a keyed-alike cylinder so one key opens several gates.

Where it is used

Pedestrian gates, side gates and garden gates made by fabricators and blacksmiths, where a latching lock with a handle and a key-locking deadbolt is wanted, hidden inside the stile. Made for 40 x 40mm square box section.

Specifications

What you get	Weld-in case, sash lock body, strike plate, euro cylinder with 3 keys and fixings
Bolts	Latch bolt worked by the handle, and a double-throw deadbolt worked by the key
Deadbolt throw	24mm, double throw
Handles	Not included
Gate profile	40 x 40mm square box section
Fixing	Weld-in case
Cylinder	Euro profile, 3 keys
Size	174mm x 40mm x 40mm
Weight	About 1.83 kg

Other weld-in locks

Lock and size	Where
Sash lock, 30 x 30mm	Weld-in sash lock 30mm
Sash lock, 50 x 50mm	Weld-in sash lock 50mm
Dead lock, 25 x 25mm	Weld-in dead lock 25mm
Dead lock, 30 x 30mm	Weld-in dead lock 30mm
Bolt-on insert lock instead	Insert lock for 40mm box section
All gate locks and latches	Gate locks and latches

Choosing the right option

Match the lock to the gate stile: this one is for 40 x 40mm box section. Choose a sash lock where the gate needs a handle and a latch as well as a key-locking deadbolt, or a dead lock where the gate is kept locked and only opened with the key. If you would rather not weld, an insert or surface-mounted gate lock bolts on instead. If you are not sure which lock suits your gate, send us a photo and we will check.

Fitting and care

Cut the opening in the gate stile, take the lock body out of its case and weld the case into the stile so the faceplate edge sits flush. Finish the gate, then slide the lock body in, fit the cylinder and handles, and fix the strike plate on the post so the bolts engage fully. Put a little graphite in the cylinder once a year.

Frequently asked questions

Are handles included?

No. The lock comes with a cylinder, three keys and a strike plate; fit a lever handle pair of your choice.

Can I paint the gate after fitting?

Yes. Weld in the case, finish the gate, then slide the lock body in.

Will it fit 50mm box section?

No. Choose the size that matches the gate stile from the table above.

Ordering and delivery

Order online with Express UK Delivery and same-day dispatch on orders before 2pm, Monday to Friday. For fabricators ordering several locks, call 01744 520 110 or email sales@industrialsuppliesco.co.uk.