Description
The External Slide Bolt Lock – Series 1 & 3 is a replacement manual locking component designed for compatible Series 1 and Series 3 roller doors.
Mounted to the inside face of the roller door curtain, the slide bolt provides a simple mechanical method of securing the door in the closed position by sliding the locking bolt into the corresponding guide or locking point.
Part Number: 51765
🔒 Manual Roller Door Locking
The External Slide Bolt Lock provides a straightforward mechanical locking solution for compatible roller doors.
When the roller door is fully closed, the bolt is manually moved into the locked position to physically secure the curtain.
This provides an additional mechanical means of preventing the roller door from being raised.
🚪 Series 1 & Series 3 Application
Part 51765 is intended for compatible:
- Series 1 Roller Doors
- Series 3 Roller Doors
It is suitable for maintenance, repair and replacement applications where the existing slide bolt lock has become worn, damaged or is no longer operating correctly.
↔️ Slide Bolt Operation
The lock operates using a simple sliding bolt mechanism.
To secure the door:
- Fully close the roller door
- Slide the locking bolt into the corresponding locking position
- Confirm the bolt is fully engaged before leaving the door secured
To open the door, the bolt must be completely disengaged before attempting to raise the curtain.
🛡️ Additional Mechanical Security
The slide bolt provides a physical locking point between the roller door curtain and the surrounding door structure.
This makes it useful for manually operated roller doors and for installations where an additional mechanical lock is required.
It can also provide a visible and straightforward method of confirming that the door has been manually secured.
🔧 Replacement Spare Part
The External Slide Bolt Lock can be used to replace an existing compatible Series 1 or Series 3 lock that has become:
- Bent
- Damaged
- Worn
- Difficult to operate
- Loose
- Corroded
- Missing
The corresponding locking point and surrounding door hardware should also be inspected when replacing the lock.
⚙️ Simple Mechanical Design
The slide bolt operates mechanically and does not require:
- Electrical power
- Batteries
- Remote controls
- Electronic programming
- Control wiring
Its simple operation makes it a practical locking component for compatible roller door systems.
🛠️ Check Lock Alignment
Correct alignment is important for smooth operation of the slide bolt.
When the door is fully closed, the bolt should engage with its corresponding locking point without excessive force.
Poor alignment can make the lock difficult to operate and may indicate another issue with the roller door.
Check for:
- Curtain alignment
- Guide alignment
- Lock position
- Locking point alignment
- Loose fasteners
- Damaged door hardware
The underlying problem should be corrected rather than forcing the bolt into position.
🚫 Do Not Operate Door While Locked
The slide bolt must always be fully disengaged before the roller door is opened.
Attempting to manually or automatically operate a roller door while the slide bolt remains engaged can cause damage to:
- Roller door curtain
- Door guides
- Slide bolt
- Locking point
- Automatic door operator
- Associated door hardware
This is particularly important if a manual slide bolt is installed on a motorised roller door.
⚡ Motorised Door Applications
Extra care should be taken when a manual slide bolt is fitted to an automatically operated roller door.
The lock must be disengaged before activating the door operator.
Driving a motorised roller door against an engaged manual lock can place significant load on both the curtain and operator.
Where the door is regularly automated, the suitability of retaining a manual slide bolt should be considered as part of the complete installation.
🏠 Roller Door Applications
The External Slide Bolt Lock is suitable for compatible Series 1 and Series 3 roller door installations.
Typical applications can include:
- Residential roller doors
- Garage roller doors
- Sheds
- Storage areas
- Workshops
- Commercial roller doors
- Replacement and repair applications
Compatibility should always be confirmed against the existing lock and door hardware.
⭐ Key Features
- External slide bolt lock
- Part Number 51765
- Designed for compatible Series 1 roller doors
- Designed for compatible Series 3 roller doors
- Manual mechanical locking
- Provides an additional physical locking point
- Simple sliding bolt operation
- No electrical power required
- No batteries required
- No programming required
- Suitable as a replacement spare part
- Suitable for roller door servicing and repairs
- Simple and durable locking solution
🔧 Specifications
- Product: External Slide Bolt Lock
- Part Number: 51765
- Product Type: Roller Door Manual Lock
- Lock Type: Slide Bolt
- Operation: Manual
- Application: Roller Doors
- Compatible Series: Series 1 & Series 3
- Electrical Connection: Not Required
- Battery: Not Required
- Quantity: 1
🔗 Compatibility
Designed for compatible:
- Series 1 Roller Doors
- Series 3 Roller Doors
When replacing an existing lock, compare the original slide bolt arrangement and mounting position before ordering.
Roller door hardware can vary between door models, sizes and production generations.
⚠️ Please Note
This product is the External Slide Bolt Lock – Series 1 & 3.
Part Number: 51765
Always fully disengage the slide bolt before attempting to open the roller door.
This is particularly important on motorised roller doors. Operating an automatic door opener while the slide bolt is engaged can damage the door, locking hardware or operator.
If the slide bolt does not engage smoothly when the door is closed, do not force it into position. Check the door curtain, guides and locking point for alignment issues.
The exact supplied fasteners or additional locking hardware should not be assumed unless specifically stated with the product.
Roller doors contain components operating under significant spring tension. Repairs involving the axle, drum or spring assembly should only be carried out by appropriately trained personnel.
If you are unsure whether Part 51765 is suitable for your roller door, contact our Technical Support team on 1300 733 066 for assistance.
