Hook Mortise Lock for Sliding Doors
Hook Mortise Lock for Sliding Doors
Fits: Sliding doors 30–120mm thick · 28 or 35mm backset · 85mm centre distance. Check your door
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A double-hook mortise lock for sliding doors. Two steel hooks swing into the frame and grip it, giving two-point locking that a standard latch can't. It works with traditional handles and Grisoll smart locks such as the TORO.
Key features
- Two-point locking: twin hooks resist the door being lifted or levered.
- Stainless steel: corrosion resistant for long-lasting performance.
- Euro profile cylinder: accepts a standard Euro cylinder.
- Two backsets: 28mm or 35mm to suit narrow sliding-door frames.
Will it fit my door?
Measure the backset of your current lock: the distance from the edge of the door to the centre of the cylinder hole. This lock suits wood, aluminium and steel sliding doors 30–120mm thick. If you're unsure, send us a photo of your lock with a tape measure.
Specifications
- Lock type: double-hook mortise lock
- Backset: 28mm or 35mm
- Cylinder: Euro profile (not included)
- Material: stainless steel
- Door thickness: 30–120mm
- Door material: wood, aluminium and steel
Technical Specifications
Technical Specifications
Type: Double-hook mortise lock for sliding doors
Backset: 28mm or 35mm
Centre distance: 85mm
Case length: 270mm
Faceplate width: 22mm
Material: Stainless steel
Cylinder: Euro profile (not included)
Door thickness: 30–120mm
Door material: Wood, aluminium and steel
What's in the Box
What's in the Box
- Lock body
- Strike plate
- Fixing screws
Delivery & Returns
Delivery & Returns
Tracked delivery:
Most orders ship within 1–2 business days and typically arrive within 7–9 days, with tracking. Delivery options for your country, and any taxes or import charges, are shown at checkout.
30-day returns:
If your lock isn't right for you, contact us within 30 days of delivery to arrange a return. See our Refund Policy for details.
Not sure it fits?
Email a photo of your door and your measurements to info@grisoll.com before you order and we'll confirm the right model.
Let customers speak for us
This was a straightforward swap for our uPVC door without needing a locksmith. The 40mm size matched perfectly, the reversible latch made the left-swing setup easy, and everything feels durable.
Haven't had a single connectivity issue in eight months of daily use.
The backup key slot is a nice safety feature that shows thoughtful design.
Heavy-duty construction feels like it'll last decades, not just years.
Finally a security upgrade that's both practical and genuinely convenient.
My realtor says it's a major selling point for potential buyers.
Shared temporary access codes with my cleaning service and everything worked flawlessly.
Customer support responded immediately when I had a question.
No more fumbling with keys in the dark - absolutely worth it.
Very reliable, though installation took a bit longer than I'd hoped.
No more anxiety about whether I locked the door - I can verify from anywhere.
This made upgrading our back door to a smart lock effortless. The internal mechanism aligned perfectly, no drilling or adjustments needed, and the door operates smoothly now.
Frequently Asked Questions
Which doors is this lock for?
Sliding doors in wood, aluminium or steel, 30–120mm thick, with a narrow-frame mortise lock. Match the backset (28mm or 35mm) to your current lock. The centre distance is 85mm.
Which Grisoll smart locks does it work with?
It's designed for slim smart locks such as the Grisoll TORO, and it also works with a standard Euro cylinder handle set.
How long does delivery take?
Most orders ship within 1–2 business days and typically arrive within 7–9 days. You'll receive tracking as soon as your order ships, and delivery options for your country are shown at checkout.
Will I pay any extra taxes or fees?
Taxes for your order are calculated at checkout. For deliveries outside the EU, such as to the UK, any import charges are shown at checkout where available, so you know the full cost before you pay.