Brass Double Cylinder Door Lock 100 mm

100 mm double-entry copper lock cylinder

This copper lock cylinder with a copper core is designed for replacing or upgrading a door lock fitted with a European-profile cylinder. Thanks to its double-entry configuration, it allows opening and locking from both sides with a key. This 100 mm model is suitable for doors requiring a long cylinder, particularly in certain residential settings, front doors, service doors or doors fitted with thicker ironmongery.

Its copper design offers good resistance to wear under normal use. The cylinder is an essential part of the locking system and contributes to the proper operation of the lock, smooth key rotation and reliable everyday locking.

Key features

• 100 mm format suitable for doors requiring a longer cylinder
• Double-entry version for practical use from both sides
• Copper body and core for stable and durable use
• Compatible with many European-profile cylinder locks depending on the door dimensions
• Suitable solution for replacing a worn or faulty cylinder

Recommended uses

This lock cylinder is suitable for different usage contexts. It can be installed on a front door, an internal door requiring key locking from both sides, a storeroom door, an office door or a secondary door. It is particularly useful when the thickness of the door or rose requires a long cylinder.

Before purchase, it is advisable to check precisely the total length of the cylinder already in place as well as the distribution of the dimensions on either side of the fixing screw. This check helps ensure optimum compatibility with your lock and your door.

Product features

• Product type: lock cylinder
• Configuration: double-entry, key opening from both sides
• Shape: European type, a profile commonly used on modern doors
• Main material: copper
• Cylinder core: copper
• Use: replacement, renovation or maintenance of a locking system

Choosing a copper cylinder is appreciated for its good mechanical strength and its ability to provide consistent operation in domestic or light professional use. This type of cylinder is a central part of the lock and must be chosen carefully to guarantee correct fitting, smooth key rotation and effective locking.

Technical parameters

• Product name: double-entry copper lock cylinder
• Product type: lock cylinder
• Model: 100 mm double-entry
• Material: copper, copper core
• Colour: copper
• Length: 100 mm
• Weight: 0.316 kg
• Indicated logistics dimensions: 100 x 17 x 33 cm
• Opening mode: key on both sides
• Installation: to be fitted into a compatible lock

Installation and usage advice

Before installation, remove the old cylinder by taking out the fixing screw located on the edge of the door. Then insert the new cylinder, ensuring it is properly aligned with the lock mechanism. Once the retaining screw has been put back in place, test opening and locking from both sides before regular use.

To preserve the proper functioning of the cylinder, it is recommended to avoid unsuitable greasy lubricants. Occasional maintenance with a specific cylinder product can help maintain the smooth operation of the lock. In the case of a door exposed to the weather, it is also advisable to check the general condition of the ironmongery regularly.

Package contents

• 1 100 mm double-entry copper lock cylinder

This 100 mm lock cylinder represents a simple and functional solution for replacing an existing cylinder on a compatible door. Its copper design, long format and double-entry configuration make it a suitable choice for users looking for a reliable, practical replacement part that is easy to integrate into a standard locksmith installation.