top of page
CK4300 Series Knob x GRD trim x RH x 14 Keyway x 630 (Stainless Steel)

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


  • Internal parts are zinc dichromate platedfor corrosion resistance
  • Heavy wrought knobs with steel linerfor impact resistance
  • 1/2" (13mm) Stainless Steel throw latchbolt

CK4300 Series Knob x GRD trim x RH x 14 Keyway x 630 (Stainless Steel)

C$734.00 Regular Price
C$367.00Sale Price
    bottom of page