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PRODUCT INFORMATION

  • Mortise lock body provided
  • Mortise lock body only available in 2-3/4" backset
  • 4-7/8" ASA strike supplied standard
  • 3/4" latch bolt throw
  • Mortise lock cylinder and cam not provided
    • Uses clover leave-type cam - Best®* C258 or equal (except 6638 and 6645 models, which use Best®* C293 or equal on outside)
    • 6 Pin Cylinder = 1-1/8" long
    • 7 Pin Cylinder = 1-1/4" long
  • 1-3/4" standard door thickness
  • Meets ADA requirements
  • All mounting hardware goes through mortise lock body prep - no additional prep required
  • One continuous spring provides a smoother operation and an extended life for the unit
  • Trim is non-handed; however, the mortise lock body is handed (can be changed in field)
  • Can be mounted vertical or horizontal (with handles pointing toward hinge edge of door)
    • For mortise lock functions where thumb turn or cylinder will be used, either mount the trim horizontal or select "J" option (Junior Covers) to achieve required clearance
  • Handles can be mounted up or down by simply rotating trim 180°
  • UL Listed in U.S.A. and Canada for use on door fire rated 90 minutes or less, up to 4'0" x 8'0"
  • 1/2" Latch Bolt Throw
  • Average weight per unit = 7.5 lbs

 FunctionFunction Description
6610 Passage Latch bolt by handles at all times.
6632 Privacy Latch bolt operated by handles from either side except when outside handle is locked by inside T-turn. Operating inside handle, closing door or operating outside emergency release unlocks outside handle. Emergency tool furnished with lock.
6637 Storage-Utility Room Latch bolt by handles. Dead bolt by key from either side.
6638 Apartment Entrance Deadlocking latch bolt by handles except when outside handle is locked by key inside, then by key outside.
6641 Institution Deadlocking latch bolt by key from either side. Both handles rigid.
6645 Hotel Deadlocking latch bolt by inside handle or key outside. Outside handle rigid. Dead bolt by turn inside or emergency key outside. Projecting dead bolt displays occupancy indicator and shuts out all keys except emergency. Activating inside handle retracts both bolts.
6653 Entrance Latch bolt by handles except when outside handle is made inoperative by buttons in face. Dead bolt by key outside and turn inside. Activating inside handle retracts both bolts. Deadlocking latch.
6654 Dormitory-Bedroom Latch bolt by handles. Dead bolt by key outside or handle inside.
6656 Classroom Deadlocking latch bolt by handles. Outside handle locked by key outside. inside handle always free.
6657 Dormitory-Exit Latch bolt by handles except when outside handle is locked by projecting dead bolt. Key outside retracts dead bolt and unlocks outside handle. Activating inside handle retracts both bolts.
6658 Storeroom Deadlocking latch bolt by inside handle or key outside. Outside handle rigid.

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