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Gainsborough Deadlatch PT840/FL127 - 127mm Backset - Satin Chrome

Gainsborough

$101.26
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SKU:
STK GAPT840FL127SC
UPC:
9312574007752
Availability:
Usually same day dispatch (if ordered before 11am)
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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 icon 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 rating icon Fire Rated

  • Successfully fire rated for up to 2 hours when installed as part of a compliant door assembly.

Specifications icon 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

Contents icon What's In The Box

  • 1 × tiebolt deadlatch mechanism

Suitable uses icon 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

Dimension Size
Backset 127mm
Spindle size 8mm square

FAQ icon 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 icon 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.