4" Polished Brass Heavy Duty Tubular Mortice Door Latch – CE Fire Rated FD30/60
Polished Brass Heavy Duty Tubular Door Latch – 4" Fire Rated CE Certified
(3 inch latch used for photos)
Upgrade your door hardware with this Polished Brass Heavy Duty Tubular Door Latch, designed for strength, durability and smooth operation. Manufactured for architectural applications, this FD30/60 fire rated CE certified mortice latch is ideal for both residential and commercial installations.
Engineered for reliability, this latch features a solid brass latch bolt, soft close action and bolt through fixing holes, making it suitable for use with the majority of door handles on rose and latch sets on backplate. The polished brass finish provides a bright, traditional appearance that complements both classic and modern door hardware.
This latch is an excellent choice for unsprung door knobs and handles, offering the strength required for heavier hardware while maintaining smooth and consistent performance.
Heavy Duty Architectural Latch
Designed for demanding applications, this latch is manufactured to a higher standard than typical tubular latches.
• Very heavy duty construction
• FD30 / FD60 fire rated
• CE certified and Warrington approved
• Solid brass latch bolt for durability
• Soft close latch action for smooth operation
• Bolt through fixing holes for secure installation
• Universal design – latch can be reversed
• Suitable for unsprung door knobs and handles
• All fixing screws included
The latch follower is designed to suit up to an 8mm square spindle and supports bolt through fixings at 32–38mm centres, making it compatible with a wide range of architectural door hardware.
4 Inch Tubular Latch Specifications
Length: 102mm
Backset: 82mm
Forend (Faceplate): 56mm
Backset: The backset is the distance from the front edge of the latch plate (forend) to the centre of the spindle hole. This measurement determines where the door handle or door knob will sit on the door.
Solid Brass Strike Plate
Each latch is supplied with a solid brass strike plate and back box, helping to improve durability and ensure reliable door closure over time.
Ideal For
• Internal doors in homes and commercial buildings
• Unsprung door knobs
• Door handles on rose
• Door handle latch sets on backplate
• Fire rated door installations
A high quality heavy duty tubular door latch designed to deliver long lasting performance, smooth closing action and dependable operation for everyday use.









