Smiths Architectural Tubular Bolt Thru Latch FD CP

The Smiths Architectural Tubular Bolt Thru Latch FD CP is a high-quality latch mechanism designed for use with door handles or knobs, providing a smooth and secure open-and-close function. Engineered for reliability, it is ideal for residential, commercial, and fire-rated internal doors. Its slim, tubular profile allows for discreet installation, while the chrome-plated (CP) finish delivers a clean, polished look that integrates seamlessly with modern and traditional hardware.

Key Features

• Available Sizes: 64mm and 76mm backset options
• Finish: CP – Chrome Plate for corrosion resistance and contemporary appeal
• Type: Tubular bolt-through latch – suitable for use with handles or knobs
• Bolt-Through Design: Allows compatibility with lever handles on rose, ensuring easier alignment and installation
• Fire Door Rated (FD): Designed to meet specifications required for fire-rated doors when installed with compatible components
• Installation Method: Morticed into the door edge for a flush, clean installation
• Operation: Functions via standard spindle when connected to door handles or knobs

Construction & Build

Manufactured with durability and longevity in mind, the Tubular Bolt Thru Latch is built from robust materials, ensuring smooth operation and resistance to wear over time. Its chrome-plated body enhances rust resistance, making it suitable for most indoor environments.

Product Variants

The Tubular Bolt Thru Latch is offered in two functional sizes to accommodate different door depths and design preferences:

64mm Backset (standard internal door depth)

• Boxed Dimensions: W: 10.0cm × H: 15.0cm × D: 2.5cm
• Weight: 115g – 120g (variant dependent)
• Recommended Use: Most common for internal doors in residential settings

76mm Backset (extended reach)

• Boxed Dimensions: W: 10.0cm × H: 15.0cm × D: 2.5cm
• Weight: 120g – 130g
• Recommended Use: Ideal for doors requiring handles set further from the door edge or in commercial environments

Applications

Perfect for:

• Residential interior doors
• Commercial office doors
• Fire-rated doors (in compliance with compatible fire-tested assemblies)
• New construction and retrofits
• Doors using lever handles or knobs with bolt-through fixings

Installation Details

• Fitting Type: Mortice installation into door edge
• Fixing Method: Screws provided (with faceplate and strike plate)
• Spindle Compatibility: Accepts standard 8mm square spindle
• Bolt-Through Holes: Enable precise alignment with modern handle hardware
• Faceplate Dimensions: Standard rectangular profile for flush finish (dimensions may vary slightly per model)

Frequently Asked Questions (FAQ)

Q: What does “FD” stand for?
A: FD stands for Fire Door. This latch is designed to be suitable for installation on fire-rated doors when used with compliant hardware and installation methods.

Q: Can this latch be used with all door handles?
A: Yes, it is compatible with most door knobs and lever handles, particularly those that feature bolt-through fixings for enhanced stability.

Q: What is the difference between the 64mm and 76mm sizes?
A: The number refers to the backset – the distance from the edge of the door to the center of the spindle hole. 64mm is standard for most doors, while 76mm offers additional clearance from the door edge for a more refined aesthetic or improved ergonomics.

Q: Is this latch suitable for exterior doors?
A: It is primarily intended for interior use. For exterior doors, a locking latch or deadbolt is recommended.

Q: Does this latch come with a strike plate and screws?
A: Yes, the package includes all necessary fixings, including a strike plate, faceplate, and mounting screws for quick installation.

Q: Is this latch reversible for left and right opening doors?
A: Yes, it features a universal design and can be installed on either left- or right-handed doors.

Conclusion

The Smiths Architectural Tubular Bolt Thru Latch FD CP is a dependable and fire-door compatible latching solution for a wide variety of door styles. With its sleek chrome finish, robust design, and compatibility with modern handle systems, it is an essential component for both new installations and refurbishments. Choose between 64mm or 76mm sizes to suit your specific project needs, with confidence in Smiths Architectural’s quality engineering.