80 mm Double Entry Copper Door Lock Cylinder

80 mm double-entry copper lock cylinder

This copper lock cylinder is designed for replacement or installation on a door fitted with a lock compatible with a standard profile. Thanks to its double-entry design, it allows opening and closing from both sides with a key. Its copper structure with copper core offers good mechanical stability, smooth daily use and a suitable solution for securing a front door, an interior door or certain technical room doors.

This 80 mm model is suitable for users looking for a lock barrel that is easy to fit, durable and suitable for standard residential use. The so-called neck type or profiled shape provides common compatibility with many mortice locks used on the European market.

Main advantages

• Copper body for good wear resistance
• Copper core for smooth key rotation
• Double-entry version for opening from both sides
• 80 mm length suitable for many doors
• Practical lock cylinder format for replacement
• Moderate weight making handling and fitting easier

Recommended uses

This door cylinder can be used in different environments where key locking from both sides is required. It is particularly suitable for residential doors, corridor doors, certain office doors, workshop or outbuilding doors, subject to compatibility with the door thickness and the existing lock.

• Secondary entrance door
• Service door
• Interior door requiring key locking
• Storage room door
• Replacement of an old worn barrel

Product features

Made of copper, this lock cylinder features a design intended for everyday use. Copper is appreciated for its corrosion resistance and good durability over time under normal conditions of use. The copper core contributes to smoother key insertion and rotation, which improves ease of use.

The double-opening configuration is particularly suitable when access must be possible from both sides of the door. This type of cylinder lock is commonly sought after for installations where practicality and quick replacement are priorities.

Its 80 mm format must be checked according to the door, any rose and the lock. Before purchase, it is advisable to measure the old cylinder or the total door thickness with fittings in order to ensure correct installation and optimal alignment.

Technical parameters

• Product name: copper lock cylinder
• Product type: double-entry lock barrel
• Brand: not specified
• Model: 80 mm double opening
• Main function: locking and unlocking a door with a key from both sides
• Main feature: fully copper core
• Material: copper
• Colour: copper tone or copper brass depending on series
• Cylinder length: 80 mm
• Weight: 0.249 kg
• Indicated dimensions: 80 x 17 x 33 cm according to logistics sheet
• Opening type: double entry
• Installation: fitting in a compatible lock
• Usage scenarios: residential door, interior door, service door, annex room
• Compatibility: to be checked according to lock, centre distance and door thickness

Installation and usage advice

Before installation, accurately measure the length of the existing cylinder as well as the internal and external distribution if necessary. Also check compatibility with the mortice lock and fixing screw. When fitting, insert the cylinder without forcing it in order to avoid any mechanical stress on the mechanism.

• Compare the length of the new cylinder with the old model
• Check that the cam aligns correctly with the lock
• Test the key rotation before final fixing
• Do not use greasy lubricant inside the cylinder
• Prefer regular maintenance with a product suitable for locks

For long-lasting operation, it is recommended to avoid prolonged exposure to excessive humidity if the door is located outdoors without protection. In case of frequent use, periodic checking of the tightness and smooth operation of the mechanism helps preserve good performance.

Package contents

• 1 80 mm double-entry copper lock cylinder

This 80 mm lock cylinder is a practical solution for replacing an existing barrel or fitting a door compatible with a key locking system on both sides. Its copper body and copper core meet the needs of functional, stable use suited to the usual expectations of the French DIY and door hardware market.