Brava Metro RA Series Tiebolt Knob / Lever Set – Adjustable 60/70 mm Backset
The Brava Metro RA Series Tiebolt Knob / Lever Set is a heavy-duty commercial lockset combining an external spherical knob with an internal lever. Designed for high-traffic environments, it features a concealed tiebolt fixing system and an adjustable 60/70 mm backset for flexible installation.
Estimated Warehouse Dispatch: 2 Business Days
Key Features
- Combination configuration with external knob and internal lever.
- Concealed tiebolt fixing for superior strength and alignment.
- Adjustable latch suits 60 mm or 70 mm backsets.
- Commercial grade construction for high-use environments.
- Supplied boxed and colour coded with mounting hardware.
Fire Rated
- Successfully tested up to 4 hours on fire door assemblies in accordance with AS 1905.1, subject to doorset configuration.
Specifications
- Lock Type: Tiebolt cylindrical
- Configuration: Knob / Lever
- Backset: 60 / 70 mm adjustable
- Door Thickness: 35 mm to 45 mm
- Knob Projection: 73 mm
- Lever Projection: 68 mm
- Rose Diameter: 75 mm
- Strike: 70 mm × 28 mm × 2 mm
- Latch Face Plate: 25 mm × 57 mm
- Cylinder: LW5 profile, 6-pin (PD 8221)
- Door Handing: Non-handed
Suitable Uses
- Commercial internal doors.
- Educational facilities and training rooms.
- Fire rated doors requiring controlled access.
Brava Metro RA Series – Tiebolt Sets – Item Code Family
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Frequently Asked Questions
Is this a classroom lock?
This parent product covers classroom, entrance, and storeroom functions depending on variant.
Is the lever AS1428.1 compliant?
No. The internal lever does not meet AS1428.1 accessibility requirements.
Is the backset adjustable?
Yes. The supplied latch suits both 60 mm and 70 mm backsets.
Additional Information
- RA3H combination sets are commonly specified where lever operation is required internally.
- Concealed tiebolt design improves long-term alignment and durability.
