D900 Series
The dormakaba D900 deadbolt (small case mortise deadbolt) is now discontinued and will be available only while supplies last. All customers impacted by this announcement are encouraged to contact their dormakaba sales representative for information about the MD100 Grade 1 small case mortise deadbolt.
Warranty, parts and technical support will be available for the foreseeable future. Collateral and support material may still be downloaded. For questions or concerns about the migration plans, contact a support representative using one of the phone numbers in the contact section.

- UL/CUL listed for use on 3 hour rated fire doors
- Optional patented key system available
- Fits common door prep for new and retrofit applications
Product Details
Versatile features
The D900 deadbolt is available in a range of functions, with thumb turns and finishes that complement the lock offering.










