Dorma Panic Bolt DO2780 – Concealed Fix
The Dorma DO2780 is a surface-mounted panic bolt with concealed fixing, designed for the inactive leaf of double doors where increased strength and security are required. The concealed fixing improves aesthetics and makes the DO2780 suitable for doors with narrow stile widths.
Key Features
- Heavy-duty panic bolt for the inactive leaf of double doors.
- Concealed fixing for improved appearance.
- 50 mm bolt throw for secure engagement.
- Supplied with floor plates.
Specifications
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Suitable Uses
- Inactive leaf of commercial double doors.
- Doors requiring higher strength than a standard flush bolt.
- Installations where concealed fixings are preferred.
Available Variants
Item Code Family
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Frequently Asked Questions
What is the difference between a panic bolt and a flush bolt?
A panic bolt is a heavier-duty surface mounted bolt designed for higher load applications, whereas a flush bolt is concealed within the door edge.
Is this suitable for fire doors?
This is a manual panic bolt. Fire door suitability depends on the complete door assembly and applicable compliance requirements.
Why choose concealed fixing?
Concealed fixing improves aesthetics and is better suited to narrow-stile door designs.
Additional Information
- Panic bolts are commonly used where a standard flush bolt does not provide sufficient strength.
- Correct positioning of floor plates is critical for reliable operation.
- Commonly specified in Australian commercial door hardware installations.
