40 mm Brass Lock Cylinder for Double-Entry Door

Copper lock cylinder with copper core, 40 mm format, for single or double opening

This copper lock cylinder is designed for replacement or installation on different types of doors requiring a reliable closing mechanism that is simple to integrate. Thanks to its copper design with copper core, it is suitable for users looking for a functional locksmithing part for everyday use. Its 40 mm format makes it suitable for many configurations, particularly for internal doors, certain service doors, technical rooms, secure furniture or installations requiring a compact cylinder.

This standard-type lock cylinder model is designed to offer good continuity of operation over time. The copper structure is valued in locksmithing for its wear resistance, stability and good performance in daily use. This cylinder can be used as part of replacing an existing cylinder or fitting to a compatible lock, in single opening or double opening depending on the configuration of the associated lock.

Main advantages

• Copper body with copper core for a uniform design
• 40 mm format suitable for many locksmithing applications
• Compatible with single-opening or double-opening lock fittings depending on the associated mechanism
• Practical replacement part for maintaining a door or locking system
• Robust material suitable for regular use
• Simple installation on a compatible lock after checking the dimensions

Areas of use

This lock cylinder can be installed in different domestic or professional environments. It is particularly suited to maintenance, renovation or replacement needs on doors fitted with a compatible locking system. It may be suitable for connecting doors, secondary doors, indoor access, sheds, storage spaces, small gates or certain specific locks using a cylinder of this format.

For the French market, this type of component is often searched for as a lock barrel, door cylinder, lock core or locksmithing spare part. Its use must always be checked according to the door thickness, the type of lock and the exact dimensions of the intended housing.

Product features

• Copper construction for the cylinder body
• Internal copper core for better mechanical consistency
• Compact 40 mm format
• Intended for use with single-opening or double-direction opening locks depending on compatibility
• Product intended for replacing a worn cylinder or fitting a new lock
• Simple finish suitable for different styles of ironmongery

Technical parameters

• Product name: copper lock cylinder with copper core
• Product type: lock cylinder, barrel, lock cylinder
• Material: copper
• Core: copper
• Configuration: single opening or double opening depending on compatible lock
• Main dimension: 40 mm
• Product weight: 0.146 kg
• Indicated logistics dimensions: 40 x 17 x 33 cm
• Colour: copper tone or copper metal finish depending on manufacture
• Installation: integration into a compatible lock
• Use: door, replacement lock, maintenance, renovation

Installation and usage advice

Before purchase, it is recommended to measure the old cylinder or the available space in the lock precisely. Check the total length, cylinder profile, fitting direction and compatibility with your door or latch. During installation, make sure the lock is clean and that the mechanical elements are correctly aligned to ensure smooth rotation of the mechanism.

To extend the service life of the cylinder, it is advisable to avoid excessive force on the key or on the closing mechanism. Regular maintenance with a product suitable for locksmithing can help maintain good operation. If used on a door exposed to particular stresses, it is preferable to have compatibility checked by a professional.

Package contents

• 1 copper lock cylinder 40 mm

This 40 mm lock cylinder is a practical solution for replacing a door barrel or completing a compatible locking system. Its copper construction with copper core meets the expectations of users looking for a simple, durable locksmithing part suitable for everyday use in a residential or technical environment.