D900 Series

Product Brand

Product Details

The D900 Series Grade 1 heavy-duty mortise deadbolts provide a reasonably priced mortise locking solutions for doors like restrooms, locker rooms, and store room doors. The D900 can be used as a primary locking device or as an accessory to another latching device. These locksets are built with a heavy-duty chassis for all applications where ANSI/BHMA A156.36 Grade 1 products are required.

  • Locks ANSI/BHMA Grade 1 certified
  • 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


The D900 dead bolt is manufactured with the finest materials for exceptional strength and durability, and is available in a range of functions to meet your needs. Thumb turns and finishes complement the DORMA M9000 mortise lock offering.

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