Project Tubular Latch 64mm Radius Forend Heavy Duty Internal Door Latch Smooth Reliable Operation Durable Hardware

In professional construction and property management, a “Project Latch” signifies a component designed for high-volume installation without sacrificing structural integrity. The 64mm Radius Project Tubular Latch (2.5-inch) is specifically designed for modern door preparation. The rounded “radius” forend allows joiners to use a standard router bit to create the mortice, eliminating the need to square off corners with a chisel—a critical time-saver on multi-unit sites.

With a standard 44mm backset (the distance from the door edge to the center of the spindle), this 64mm Radius Project Tubular Latch is the ideal choice for modern internal doors with standard-width stiles. It ensures that your door handles or knobs are positioned with perfect aesthetic balance. Housed in a robust, zinc-plated steel casing with a Satin Stainless Steel (SSS) forend, it delivers a consistent, premium feel with every operation.

Why the 64mm Radius Project Tubular Latch is the Professional Choice

• Rapid Radius Installation: The rounded forend is designed for use with standard router bits, significantly reducing fitting time and ensuring a cleaner finish on large-scale projects.

• Standard 44mm Backset: The 64mm case length provides the most common handle position for modern residential interiors, fitting nearly all standard door types.

• Reinforced Spring Mechanism: Designed with a heavy-gauge internal spring that can support the weight of solid-core doors and heavy lever handles without “drooping.”

• Precision Guided Latch Bolt: Features a solid, profiled bolt that is guided within the barrel to reduce friction, resulting in a smooth, reliable operation and a whisper-quiet close.

   

• Bolt-Through Fixing Points: The 64mm Radius Project Tubular Latch case is pierced to allow “male-to-female” bolt-through fixings to pass directly through the mechanism, preventing handles from pulling loose over time.

• Fire-Rated Compliance: Tested for use on 30-minute fire doors (FD30), making it a safe and compliant choice for internal apartment doors and commercial escape routes.

Technical Specifications of 64mm Radius Project Tubular Latch

Professional Installation for Maximum Durability

To ensure your 64mm Radius Project Tubular Latch performs at its peak throughout its service life, follow these professional fitting guidelines:

1. High-Volume Routing: For project work, use a 20mm or 25mm router bit and a dedicated door jig. This ensures that every latch hole is perfectly centered and horizontal across all doors on the site.

2. Clear the Mortice: Before inserting the latch, use a blast of compressed air to remove all sawdust from the hole. Fine debris inside the latch mechanism is the leading cause of “sticky” bolts in new builds.

3. Correct Backset Alignment: Always measure twice before drilling for the spindle. If the hole is off-center by even 1mm, the handle rose will struggle to sit flush, putting lateral stress on the latch.

4. Recess the Strike Plate: For a seamless close, the strike plate must be recessed flush into the frame. Ensure the cavity behind the plate is deep enough for the bolt to fully extend and “click” home.

5. Bi-Annual Maintenance: Wipe the faceplate with a clean cloth and apply a small amount of dry PTFE lubricant (avoid sticky oils or WD-40) to the latch bolt every 12 months to maintain the low-friction operation.

The Standard for Reliable Joinery

The 64mm Radius Project Tubular Latch is the invisible detail that ensures a property feels high-quality from the moment a door is opened. It turns a basic functional movement into a satisfying, reliable experience while maximizing efficiency for the installer. By choosing a reinforced, project-grade latch with radius corners, you are investing in hardware that is as practical as it is durable.

This 64mm Radius Project Tubular Latch with radius forend is designed to provide smooth and reliable door operation, making it ideal for internal doors in residential and commercial settings. The 64mm backset ensures comfortable handle placement, while the radius forend offers a rounded edge finish that fits neatly into pre-cut door recesses, saving time and ensuring a professional look. Suitable for lever handles and knobs, it provides consistent and dependable performance.

Manufactured from durable, high-quality materials, this 64mm Radius Project Tubular Latch is built to withstand frequent use and deliver long-lasting reliability. Its radius forend design is particularly useful for doors already cut with rounded mortices, making installation quicker and easier. Complete with all fixings included, this latch is a practical and professional hardware solution for homeowners, contractors, and builders looking for durable, efficient, and smooth-operating internal door latches.