75 mm Brass Lock Cylinder for Front Door

75 mm copper lock cylinder with copper core for single-sided opening

This 75 mm lock cylinder is designed for the replacement or installation of a reliable locking mechanism on a front door, an interior door or certain service doors. Made of copper with a copper core, it meets the needs of users looking for a simple, robust locksmithing part suitable for everyday use. Its profiled cylinder format, often called a lock cylinder or door barrel, is suitable for renovation work as well as occasional replacements on an existing installation.

Thanks to its copper design, this cylinder offers good resistance to mechanical wear caused by repeated opening and closing. It provides a practical solution for restoring the proper operation of a lock when the original barrel is worn, seized or damaged. This single-sided opening version is suitable for configurations requiring operation from one side only depending on the planned installation on the door.

Product highlights

• Copper body and core for good durability
• 75 mm format suitable for many standard locks
• Smooth operation for opening and closing the door
• Ideal replacement part for renovation or maintenance
• Suitable for different residential or utility environments

Recommended uses

This copper lock cylinder can be used in various domestic and light professional contexts. It is particularly suitable for fitting or replacing the barrel of a flat door, a bedroom door, an office door, a cellar door or a secondary room. Its use is especially relevant when you want to replace only the cylinder without changing the entire lock.

Before purchase, it is recommended to check the lock type, the total cylinder length and compatibility with the door thickness as well as with the existing fittings. Accurate dimension checking helps ensure correct installation and comfortable day-to-day use.

Product features

• Product type: lock cylinder, door barrel
• Design: all copper with copper core
• Opening type: single-sided opening
• Structure designed for regular use
• Simple replacement on a compatible lock
• Finish suitable for functional use

This model stands out for a design focused on efficiency. Copper is a material valued in locksmithing for its stability, its resistance to corrosion under normal conditions of use and its good durability over time. The internal mechanism with copper core contributes to consistent key movement and reliable locking.

Technical parameters

• Product name: copper lock cylinder with copper core
• Product type: door lock cylinder
• Model: 75 mm
• Type: single-sided opening
• Material: copper
• Core: copper
• Colour: copper finish
• Stated length: 75 mm
• Weight: approx. 0.292 kg
• Provided logistics dimensions: 75 x 17 x 33 cm
• Installation: to be fitted into a compatible lock
• Compatibility: to be checked according to the lock profile and door thickness

Installation and usage advice

To install this cylinder, remove the fixing screw located on the edge of the door, align the cam if necessary, then extract the old barrel. The new cylinder must be inserted carefully in order to respect the fitting direction and alignment with the lock mechanism. Once the cylinder is positioned, the fixing screw can be put back in place without excessive tightening.

It is advisable to test the operation several times with the door open before any normal use. To preserve the smoothness of the mechanism, periodic maintenance with a lubricant suitable for locksmithing may be considered. Avoid unsuitable greasy products which may clog the mechanism over time.

Package contents

• 1 75 mm copper lock cylinder, single-sided opening

This 75 mm lock cylinder is a practical solution for everyday locksmithing needs. Its copper construction and copper core make it a functional part for replacing a barrel on a compatible door, with a good balance between ease of use, mechanical reliability and routine maintenance.