1930/1931 Series Vertical Dead Bolt Locks

The Vertical Dead Bolt series is a classic combination lock that is durable, secure, and easy to use. The automatic locking system makes it easy for end users to simply shut their locker and protect their items. For increased security and durability all locks are standard with an ergonomic dial, complete with a grip ring and non-slip coating. The patent pending button guard still allows the locker to function even when overstuffed.

  • 1931



  • Ergonomic dial with grip ring and non-slip coating
  • 7 pre-set combinations for extended usage
  • Supervisory key control
  • Automatic locking
  • Nut channels for easy installation
  • 3-digit dialing combination with 5-pin tumbler key plug
  • Similar in operation to Master Lock 1630/1631
  • Patent pending button guard to protect lock function from overstuffed lockers
  • All built-in combination locks have a 10 year warranty from time of shipment


  • Available for use on right-hinged locker door (1930) or left-hinged locker door (1931)
  • Available in ADA compliant models (1930ADA, 1931ADA)


  • Fits all lift handle gravity latch/multi-point lockers (e.g. school lockers)