FinBolt Single Lock

Regular price
£197.17 ex VAT

Free UK delivery



Easy upgrade to automatic deadbolting - fit a FinBolt, keeping any existing BS3621 lock

  • Fits to top, middle or bottom of door
  • British Standard BS8621: thumbturn inside for easy exit
  • ABS Avocet 3 Star kitemarked cylinder with 3 keys
  • Registered keys cannot be copied without permission
  • Snib button to temporarily disable deadbolt
  • 10 year warranty

Suitable for doors of 44mm – 53mm thickness. For thicker doors, email contact@finfort.co.uk.          Delivered within 10 working days.        ETA on Satin Brass, Antique Brass, and Matt Bronze September 2022.

  • Simple security upgrade – Adding a FinBolt will give you automatic deadbolting, that works seamlessly with your existing insurance BS3621 compliant locks, automatically locking without turning a key.
  • Easy exit assured – TS2007 3 star thumbturn cylinder from ABS Avocet so you can always exit quickly in case of emergency. 
  • Registered keys to offer the highest security – your FinBolt soft grip keys cannot be copied without permission. Additional keys can be ordered online by key card holders only.
  • Built and tested to British standards – BS8621 certified including a 21mm steel bolt that can withstand 10kn of force and a hardened steel lock case that can withstand 5 minutes of constant drilling.
  • Reliable long life assured – it has been tested 200,000 times (that’s about 20 years of use for an average house) to achieve its EN12209 certification and why we guarantee the lock for 10 years.
  • Award-winning design – Awarded ‘Best Product’ by the Master Locksmith Association in 2019.
  • Heavy duty lockguards – adding extra protection to the cylinders against tampering and act as a visual deterrent to a burglar.
  • Sleek & elegant design – embedded into the door. Elegant door furniture suitable to period or modern doors.
  • Deadbolt disabler for your convenience – built-in snib button to temporarily disable your deadbolt, handy for loading and unloading the car, for example.

Our Promise To You


Automatically Locks

Automatically deadbolts when the door is closed keeping your home safer


Registered Keys

Secure key registration so keys can never be copied without your permission


Tested to BS8621

Expertly crafted & tested 200,000 times for durability and to resist burglar attack


Award-winning design

The Master Locksmith Association’s ‘Best Product’ in 2019


Made in the UK

Using the best of British design & engineering

Adding a FinBolt is an easy security upgrade to automatic deadlocking.

It works with your existing insurance compliant locks.

High security no longer means clunky or ugly.

The compact FinBolt lock comes in standard sizes to fit the vast majority of wooden doors.

The FinBolt has sleek & elegant lockguards that suit both period and modern wooden doors.