
Dorma Barrel Bolt 2750
The Dorma 2750 is a standard surface mounted barrel bolt designed to provide a simple manual securing or hold-closed function on doors. It incorporates a ball bearing within the bolt housing to assist smooth and positive operation and is supplied with both frame and floor strikes.
Key Features
- Surface mounted barrel bolt for manual door retention.
- Ball bearing assisted bolt movement for smooth operation.
- Supplied with both frame and floor strikes.
- Suitable for secondary securing applications.
Specifications
Suitable Uses
- Internal or external doors requiring a manual surface bolt.
- Secondary retention on hinged doors.
- Applications where smooth bolt operation is desirable.
Available Variants
Item Code Family
Frequently Asked Questions
Does this barrel bolt lock with a key?
No. This is a manual barrel bolt and does not provide keyed locking.
Is the bolt suitable for external doors?
It can be used on external doors where a surface mounted manual bolt is appropriate.
Does bolt length affect function?
Length affects fixing position and coverage only; the bolt throw remains 25 mm.
Additional Information
- This barrel bolt is intended as secondary door hardware and not a primary security device.
- Correct alignment of supplied strikes is essential for smooth operation.
- Commonly specified in Australian commercial and architectural door installations.