Extra Heavy Duty Commercial

D-Series locks are for commercial, institutional and industrial use, such as schools, hospitals and factories, where a long life of dependable operation must be combined with a high degree of resistance to physical abuse.

Popular functions of all lever designs are also available in Vandlgard ®, where levers are free-wheeling in the locked position to resist more forceful attacks.

Performance Features
Tested to exceed 3,000,000 cycles, greatly exceeding the 800,000 cycle ANSI Grade 1 requirement.
Exceeds ANSI A156.2 Series 4000 Grade 1 locked lever torque requirements.
Vandlgard® functions have free-wheeling levers to resist force when locked.
Independent heavy duty spring cages for effective lever support.
Thru-bolted mechanism for positive interlock to door.
Concealed mounting screws.
Steel Latchbolt.

EXPLODED VIEW: