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:
	
Schools
	
Hotels
	
Apartments
	
Hospitals and nursing homes
	
Churches
	
Municipal buildings
	
Airports
	
Retail complexes
	
Offices
	
Warehouses
Advantages
	
Internal parts are zinc dichromate platedfor corrosion resistance
	
Heavy wrought knobs with steel linerfor impact resistance
	
1/2" (13mm) Stainless Steel throw latchbolt