GB Locking Systems are now open for business as usual from 15th April 2020.

High Security Locks

D2 Mechanical High Security Lock

D2 Mechanical High Security Lock


The D2 Mechanical High Security Lock from B&B consists of two point locking bolts which automatically re-lock. Due to its high security, it is specified in Banks, Prisons, Hospitals, Post Offices, laboratories, etc. The Lock has a side load resistance of 40,000N.

The advantages of the D2 lock include the following:

  • Thanks to its robust construction, the D2 lock offers a very high level of security. This security lock is extremely resistant to intrusion attempts and aggressive attacks.
  • This security lock has integrated bolt-position signalling.
  • The D2 lock unlocks through a cylinder. The mechanical security lock automatically locks as soon as the door closes.

D2 Mechanical High Security Lock Key Features:

  • Mechanical security lock with 2 self-locking bolts
  • The bolts are ejected and deadlocked automatically as soon as the door closes
  • Always secured on 2 locking points (bolt throw 20mm)
  • Both L and R – symmetrical bolts for both bumper doors and revolving doors
  • Unlocking by 17mm europrofile cylinder
  • Integrated signalisation of the bolt position (unlocked / locked)
  • Locking components, housing and striker plate in stainless steel
  • Side load resistance of 40.000 N
  • Backset 36mm
  • Security escutcheon SE-17 available (optional)


D2 Datasheet


Product Flyer

Security Escutcheon


At GB Locking Systems, we provide a wide range of Access Control and Door Automation products as well as high security locks. Please take a look through our online store, or get in touch with us if you require any assistance. Our knowledgeable staff will be happy to help.


Additional Information

B&B Locks

Enquire About This Product

Category: Tags: , ,

Any Questions?

Our specialist team can advise on the best products to suit your needs. Just enter your number here and a member of our team will call you back to discuss which solutions are suitable for your requirements.