
Gainsborough PT840/FL127 Tiebolt Deadlatch – 127mm Backset – Satin Chrome
The Gainsborough PT840/FL127 is a tiebolt deadlatching mechanism with a 127mm backset, designed to suit Gainsborough 840 series Majestic leversets. It features an 8mm square spindle hub and is supplied in a satin chrome finish.
Key Features
- 127mm backset tiebolt deadlatching mechanism.
- Designed to suit Gainsborough 840 series Majestic leversets.
- 8mm square spindle hub.
- 2 hour fire rated configuration.
- Satin chrome finish.
Fire Rated
- Successfully fire rated for up to 2 hours when installed as part of a compliant door assembly.
Specifications
- Item Code: GAPT840FL127SC
- Product Type: Deadlatch mechanism
- Latch Type: Tiebolt deadlatching
- Backset: 127mm
- Spindle Type: 8mm square
- Suits: Gainsborough 840 series Majestic leversets
- Fire Rating: 2 hours (when installed in compliant assembly)
- Finish: Satin Chrome
What's In The Box
- 1 × tiebolt deadlatch mechanism
Suitable Uses
- Replacement deadlatch for Gainsborough 840 series Majestic leversets.
- Doors requiring extended 127mm backset hardware.
- Fire door assemblies when installed in accordance with certification.
Dimensions
Frequently Asked Questions
- What is a 127mm backset used for?
A 127mm backset is typically used on doors where the handle or lock needs to be positioned further from the edge, such as certain architectural or retrofit applications. - Does this include the lever handles?
No. This is the deadlatch mechanism only and is designed to be used with compatible Gainsborough 840 series leversets. - Is this suitable for fire doors?
Yes. It is fire rated for up to 2 hours when installed as part of a compliant fire door assembly.
Additional Information
- Extended backset deadlatches are commonly used on doors with wide stiles or where the handle needs to clear glazing or decorative panels.
- Always confirm the required backset and spindle size before ordering replacement latch mechanisms.
- Fire rating applies only when the product is installed in a tested and compliant door assembly.