51 Function: Entrance/Office
• Deadlocking latchbolt by knob either side, except when turn button locks outside knob. Pushing turn button in locks outside knob, requiring use of key outside to unlock.
• Turning inside knob unlocks outside knob.
• Pushing in and turning button locks outside knob, requiring key at all times. Turning inside knob does not unlock outside knob until button is manually turned to unlocked position.
• Inside knob always free.
GRD Trim: Global design
A standard cylindrical lockset chassis, offering traditional knob aesthetics with ANSI/BHMA Grade 1 reliability and durability.
Ideal for demanding, high-use commercial, industrial and institutional applications, including:
- Hospitals and nursing homes
- Municipal buildings
- Retail complexes
- Internal parts are zinc dichromate platedfor corrosion resistance
- Heavy wrought knobs with steel linerfor impact resistance
- 1/2" (13mm) Stainless Steel throw latchbolt