120 mm One-Piece Copper Lock Cylinder for Door

Copper lock cylinder with all-copper core 120 mm for single opening

This 120 mm lock cylinder is designed for replacing or installing a locking mechanism on a front door, interior door, gate or other compatible joinery. Made of copper with a copper core, it offers a reliable solution for users looking for a sturdy, durable lock barrel suitable for everyday use. Its extended 120 mm format suits configurations requiring a long cylinder, particularly on some thick doors or equipment with substantial fittings.

Thanks to its copper metal design, this door cylinder offers good resistance to wear from repeated opening and closing. The single-opening model is suited to installation needs where a specific locking mode is required. It can be used in both residential settings and certain professional environments, depending on the dimensions of the existing lock and the compatibility of the mechanism.

Key benefits

• Copper body and core for good mechanical durability
• 120 mm format suitable for doors requiring a long cylinder
• Simple and practical operation for replacing a worn lock barrel
• Locksmithing part suitable for many domestic applications
• Copper metal finish, understated and easy to match with different types of hardware

Use and applications

This lock cylinder may be suitable for several common uses. It is particularly useful during renovation, a lock change, or an upgrade of a locking system that has become less smooth. It can be installed on a house door, a service door, a technical room door, a gate fitted with a compatible lock or certain specific joinery.

Before purchase, it is recommended to check precisely the centre distance, the total length of the cylinder, the type of lock and the expected opening direction. Accurate measurement helps ensure correct fitting and optimal operation of the cam in the lock mechanism.

Product features

• Product type: lock cylinder, door barrel
• Design: copper structure with copper core
• Function: locking for compatible door
• Configuration: single-opening model
• Length: 120 mm
• Use: replacement or installation on compatible lock

Choosing a copper cylinder is often appreciated for its stability and resistance over time. In the field of locksmithing, this type of component helps maintain smooth key rotation when the installation is carried out correctly. For everyday use, it represents a functional solution for securing access while keeping operation simple.

Technical parameters

• Product name: copper lock cylinder with all-copper core
• Product type: door lock cylinder
• Brand: not specified
• Model: 120 mm single opening
• Material: copper
• Core: copper
• Colour: copper tone
• Product length: 120 mm
• Indicative package dimensions: 120 x 17 x 33 cm
• Weight: 0.425 kg
• Opening mode: single opening
• Installation: to be integrated into a compatible lock
• Compatibility: according to dimensions, door thickness and lock type

Installation and usage advice

• Measure the old cylinder before replacement
• Check compatibility with the mortice or rim lock
• Check the alignment of the door and strike plate to avoid mechanical stress
• Do not force during fitting in order to preserve the internal mechanism
• Use, if necessary, a lubricant suitable for locks, non-greasy and non-corrosive
• Keep the cylinder protected from excessive moisture before installation

To ensure long-lasting use, it is advisable to install the cylinder on a properly adjusted door. A door that rubs or closes badly can lead to premature wear of the barrel and key. In the case of replacement on an old lock, it may also be useful to check the condition of the handle, the faceplate and the locking mechanism.

Package contents

• 1 copper lock cylinder 120 mm single opening

This long lock cylinder is a practical choice for maintenance, renovation or replacement of a locksmithing part. Thanks to its all-copper core, its 120 mm length and its design intended for everyday use, it meets the needs of private individuals as well as DIY users looking for a reliable component, easy to fit and suitable for a wide range of compatible doors.