Lawrence Hardware

4700 Series Small Case Mortise Lock

LH4775, LH4774, LH4777, LH4778, LH4779

Heavy Duty Small Case Mortise Deadbolt

  • 4700 series is designed for locking where no latch is required
  • Ideal for washrooms and change rooms


  • High strength steel alloy cylinder retainer
  • Armoured front is adjustable for door bevel
  • Steel case and all parts are corrosion resistant
  • Non handed


  • Backset 2-3/4” (70mm) only
  • Bolt 1” (25mm) stainless steel throw deadbolt
  • Finishes US32D

4700 Series Standard Functions

  • LH4775 Cylinder by Thumb turn
  • LH4774 Double cylinder
  • LH4777* Classroom (cylinder by one way Thumb turn)
  • LH4778 Cylinder Lock (cylinder only)
  • LH4779 Door Bolt (Thumb turn only)

Note* Handed item


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Lawrence Hardware
676 Petrolia Road, Toronto, ON M3J 2V2
Business Hours

Mon - Thur: 8:30am to 5:00pm
Fri: 8:30am to 1:00pm

Mon - Thur: 7:00am to 4:00 pm
Fri: 7:00am to 1:00pm
Shipping & pickup can be arranged based on these hours.

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