M2003 Mortice Deadlock with Snib Turn 2 Keys
Banham M2003 Mortice Deadlock with Snib Turn is operated by a key from the outside and a thumb turn from the inside. The cylinder is fitted with snib operation on the inside to comply with fire regulations. British Standard 83621 and insurance-approved.
M2003 Mortice Deadlock with Snib Turn 2 Keys


| DETAILS | |
|---|---|
| Model | M2003 Mortice Deadlock with Snib Turn 2 Keys |
| Code | 78515 |
| Case Height | 103 mm |
| Case Depth | 72 mm |
| Backset | 50 mm |
| Standard | British Standard 83621 |
| Thick | doors with 44 – 70 mm |
| Cylinder | 6 pin drill resistant |
| Prevent spread | Hook Bolt |
| High Security | 254 mm striker plate |
Banham M2003 Lock Installation
Professional installation is essential to ensure the Banham M2003 performs as intended. Our locksmith engineers install genuine Banham M2003 Mortice Deadlocks on compatible timber doors, carefully aligning every component to provide secure locking and reliable daily use.
Before fitting the lock, we inspect your existing door, frame, and hardware to ensure compatibility. Once installed, we test the lock thoroughly to confirm smooth operation, accurate locking, and dependable security.
Whether you are upgrading an entrance door or fitting security to a newly renovated property, we provide a professional installation service tailored to your requirements.
Banham M2003 Lock Replacement
A worn or damaged mortice lock can reduce the security of your property and become difficult to operate. If your existing Banham lock is no longer functioning correctly, we provide complete Banham M2003 replacement services.
Our locksmith engineers carefully remove the old lock and install a genuine Banham M2003, ensuring the locking mechanism, hook bolt, cylinder, and striker plate all work together effectively. We also inspect the surrounding door hardware to ensure your entire locking system performs reliably.
Banham M2003 Lock Repairs
Lock problems do not always require a complete replacement. If your Banham M2003 has become stiff, difficult to lock, or is showing signs of wear, our locksmith engineers can inspect the mechanism and carry out professional repairs wherever possible.
We identify the cause of the fault, repair worn components, adjust the lock where necessary, and restore smooth operation while maintaining the lock’s security performance.
Emergency Banham Locksmith Services
Unexpected lock failures can leave your property insecure or prevent access when you need it most. Our emergency locksmith engineers provide 24-hour Banham lock services throughout Greater London.
Whether your key has broken, the lock has failed, or you require urgent lock replacement following an attempted break-in, we respond quickly to restore the security of your home or business.
Banham Cylinder Replacement
The Banham M2003 features a six-pin drill-resistant cylinder designed to provide excellent resistance against common methods of attack.
If the cylinder becomes damaged or worn, our locksmith engineers can replace it with a genuine compatible Banham cylinder, ensuring the lock continues to operate smoothly while maintaining a high level of security.
Fire-Compliant Lock Solutions
One of the key features of the Banham M2003 is its internal snib turn operation. Instead of using a key from inside the property, the lock can be released quickly using the thumb turn, providing a practical escape route during an emergency.
This makes the M2003 a popular choice for customers looking to combine high-security protection with convenient internal operation that supports fire safety requirements.
Suitable Applications
Our locksmith engineers regularly install the Banham M2003 for customers looking to improve both security and everyday convenience.
This locking system is suitable for:
- Front entrance doors
- Residential houses
- Flats and apartments
- Commercial offices
- Rental properties
- Apartment buildings
- Property refurbishments
- High-security door upgrades
If you are unsure whether the Banham M2003 is the right solution for your property, our locksmith engineers can assess your existing door and recommend the most suitable locking system.
Benefits of Professional Installation
Having your Banham M2003 installed by an experienced locksmith helps ensure the lock performs correctly and provides maximum protection.
Professional installation helps achieve accurate alignment, smooth operation, proper hook bolt engagement, reliable thumb turn function, and long-term durability. Our locksmith engineers also check the surrounding door structure to ensure the complete security system operates efficiently.
Contact 24/7 London Locksmith Today
Secure your property with professional Banham M2003 Mortice Deadlock with Snib Turn installation from experienced London locksmith engineers.
Contact 24/7 London Locksmith today to arrange Banham M2003 installation, lock replacement, repairs, cylinder replacement, emergency locksmith services, or expert security advice anywhere across Greater London.
Frequently Asked Questions
Banham M2003 is a high-security mortice deadlock from the outside with a key, and a thumb turn (snib turn) from inside. It has a six-pin drill-resistant cylinder, a hook bolt for extra security and is compliant with British Standard 83621, which helps it meet many insurance company requirements.
Banham M2003 is built specifically for 44 mm-70 mm timber doors. Usually it is fitted on front doors, flats, houses, commercial properties, rental properties, apartment blocks and refurbished goods worth. A competent locksmith can verify if your current door would be compatible.
Yes. If it has stiffened up a bit, become harder to operate or is showing definite signs of wear, then a locksmith can take a good look at the entire mechanism and make repairs as needed. If the lock itself is not economical to repair or fails due to severe damage, a replacement may be suggested.
When it is installed professionally, the lock is aligned, operates smoothly and provides its expected level of security. Locksmiths also inspect the door, frame & existing hardware too, along with additional tests after installation, making sure that hook bolt plates and strikers engage properly for maximum performance.
Yes. Military stylists who wear six-pin drill-resistant cylinders will replace these with a genuine compatible Banham cylinder if they use a bandit. This results in the lock working smoothly again while once again keeping that high level of security, without needing to replace the whole lock.