ADI Blocklok 444DD Double Block
The ADI Blocklok 444DD Double Block is a heavy duty, surface mounted locking system designed specifically for securing double door shop fronts and similar commercial applications. It uses a pair of locking blocks and a 13 mm hardened steel locking pin to provide robust door engagement, while accepting the industry standard 570 oval cylinder.
Key Features
- Double block surface mounted locking system.
- 13 mm hardened steel locking pin.
- Locking bolt retained when unlocked.
- Rear fix mounting configuration.
- Accepts industry standard 570 oval cylinders.
- Compatible with most restricted keying systems.
- Extended locking bolts available.
- Australian made and owned.
Specifications
- Product Type: Surface mounted double locking block
- Block Configuration: Double
- Fixing Method: Rear fix
- Locking Pin Diameter: 13 mm
- Door Thickness: Suits doors up to 50 mm
- Cylinder Type: 570 oval (less cylinder version available)
- Door Type: Hinged or sliding double doors
- Country of Manufacture: Australia
What's In The Box
- ADI Blocklok 444DD double block bodies
- Locking pin
- Mounting template
- Fixing hardware
- 2 × keys (except less-cylinder variant)
Suitable Uses
- Double door shop fronts
- Commercial aluminium or timber doors
- Swinging or sliding double doors
- Warehouses, retail, hotels and storage facilities
Available Colour Variants
-
Black
44142044 -
Chrome Plated
44142041 -
Florentine Bronze
44142043 -
Satin Chrome
44142040 -
White
ADI444DDWHT
Item Code Family – ADI Blocklok Surface Mounted Locks
Download PDF Resources
|
ADI Product Catalogue |
Frequently Asked Questions
Is this suitable for single doors?
No. This model is designed specifically for double door applications.
Is a less-cylinder version available?
Yes. A satin chrome variant is available supplied less cylinder.
Can extended bolts be fitted?
Yes. Extended locking bolts are available for thicker doors.
Additional Information
- Commonly specified on Australian retail shopfronts with paired doors.
- Correct handing and door alignment are critical for smooth operation.
- Finish choice does not affect mechanical performance.
