Banham Lock Installation (Locksmith Tips & Tricks Series)

Banham locks are the gold standard for residential and commercial security. To a large extent, it’s because of their unbeatable combination of strength, engineering, and key control. However, installing a Banham lock is a distinctly skilled task.

Key features of Banham locks

  • Patented key systems that make unauthorised duplication extremely difficult.
  • Anti-drill plates and anti-pick mechanisms.
  • High-security cylinders prevent snapping, bumping, and forced entry.

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Installation Particularities and Tips

Mastering the Banham Lock - Security Features & Installation Guide

Banham rim deadlocks (such as the L2000 series) and mortice locks (such as M2002) require precise template marking, substantial drilling (sometimes up to 32mm diameter for cylinder holes), and careful chiselling to create a mortice for the lock case and faceplate to sit flush with the door.​

Installers must avoid placing locks near door joints to preserve door strength and should fit the case mid-height for optimal security.​

Accurate alignment when marking holes on the door and frame is critical, as improper alignment can cause operational problems or reduce security.

The staple (strike plate) must be let into the door frame and fixed with the supplied screws for maximum strength.​

Lubrication should be applied as specified: use dry lubricant for cylinders and apply grease sparingly to deadlatches.​

Locksmith Tips & Tricks

  • Always use the supplied drilling templates, and double-check all measurements before cutting or drilling the door.
  • Test-fit the lock mechanism and cylinder before final installation to confirm smooth operation and alignment.​
  • If taking over an installation or servicing a Banham lock, clarify with the customer whether they have all original keys; lost keys can require a complete lock replacement due to the key control system.​
  • Banham’s support services and installation teams are well-regarded for aftercare, including repairs and upgrades. 
  • If you’re not sure what you’re doing, call a local locksmith.
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