Brass Double Entry Door Lock Cylinder 75 mm

Copper lock cylinder with all-copper core 75 mm double entry

This 75 mm profile-shaped pin-type lock cylinder is designed for replacement or installation on many interior or entrance doors, depending on the compatibility of the existing lock. Made from copper with a copper core, it offers a reliable solution for strengthening the locking mechanism while ensuring smooth day-to-day use. The double entry model allows opening from both sides with a suitable key, making it practical for domestic, rental or professional use.

Suitable for common door hardware needs, this lock barrel is ideal for users looking for a simple, robust and easy-to-fit replacement part for a compatible lock. Its 75 mm format suits many configurations, particularly for doors fitted with a European cylinder of similar dimensions.

Key features

• Copper body and core for good wear resistance
• Practical double entry cylinder for opening from both sides
• 75 mm format suitable for many compatible doors
• Smooth operation for regular use
• Replacement solution for residential or utility door locks

Recommended uses

This lock cylinder can be used in different contexts when the lock dimensions match. It is suitable for a flat door, house door, office door, utility room door or certain interior doors requiring key locking from both sides. It may also be considered for renovation, maintenance or replacement of a worn barrel.

Before purchase, it is advisable to check the cylinder length, profile type and compatibility with the mortice or rim lock already in place. Correct dimensional matching is essential to ensure proper installation and safe operation.

Product features

• Product type: lock cylinder, door barrel
• Design: double entry
• Structure: copper body with copper core
• Use: opening and closing doors with a key
• Format: 75 mm
• Standard shape suitable for compatible locks

Thanks to its copper design, this cylinder offers good long-term mechanical durability for everyday use. Copper is valued in lockmaking for its stability, precision machining and consistent performance during repeated handling. This type of locking system is particularly suitable for users who want to replace a faulty cylinder without changing the entire lock.

Technical information

• Product name: 75 mm copper lock cylinder double entry
• Product type: lock cylinder
• Brand: not specified
• Model: not specified
• Main function: locking and unlocking doors
• Material: copper, copper core
• Colour: copper tone or brass depending on manufacture
• Length: 75 mm
• Weight: 0,235 kg
• Indicated logistics dimensions: 75 x 17 x 33 cm
• Opening type: double entry
• Installation: fitting on compatible lock
• Compatibility: to be checked according to centre distance, door thickness and cylinder profile
• Voltage: not applicable
• Power: not applicable
• Capacity: not applicable

Installation and usage advice

To install this cylinder, start by removing the fixing screw located on the edge of the door, then remove the old barrel by aligning the cam with the key. Next, insert the new cylinder into the lock, making sure to respect the fitting direction, then replace the fixing screw. Finally, check that the key turns smoothly from both sides.

• Measure the cylinder length accurately before replacement
• Check the door thickness and barrel centring
• Do not force the key if the alignment is not correct
• Lubricate if necessary with a product suitable for locks
• Avoid unsuitable greasy products that retain dust

For optimum service life, it is recommended to carry out periodic maintenance of the cylinder and check the correct alignment of the door, strike plate and lock. Precise fitting limits premature wear of the mechanism and improves day-to-day ease of use.

Contents of the package

• 1 copper lock cylinder 75 mm double entry

This all-copper lock cylinder is a functional solution for replacing an existing barrel on a compatible door. With its simple design, standard format and double entry mechanism, it meets locking and security needs in residential or professional settings, while remaining easy to integrate into a renovation or maintenance project.