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Corbin Russwin CK4351-GRD-630-L4

Special Order Heavy Duty Commercial Entrance Knob Lock

Price: $446.00 /each
Special Order non-stock item Requires 6 week lead time

SKU: CK4351-GRD-630-L4

The Corbin Russwin CK4351 Grade 1 heavy-duty Entrance knob is ideal for demanding high-use commercial, industrial and institutional applications. turn button inside locks outside knob. Outside knob unlocked by turn button inside. Inside knob always free.

Because this is not a stock item we must order it specifically for you and we will be unable to accept a return unless the item is defective as determined by the factory it was bought from.

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  • Heavy duty cylindrical entrance key in knob lockset
  • Finish, 630 satin stainless steel.
  • Door thickness -1-3/4" - 2".
  • Meets A156.2 Series 4000, Grade 1
  • Push or turn locking inside.
  • 2-3/4" backset.
  • GRD, Global style door knob.
  • Latchbolt-Brass, chrome plated, 5/8" throw with nylon insert, 2-1/4" x 1-1/8" front
  • Strike-ANSI curved lip standard, 4-7/8" x 1-1/4" x 1-1/4" lip to center.
  • Cylinder-6-pin, Corbin L4 keyway-0 bitted, ready to be keyed.

More Info

  • Listed for A Label and lesser class single doors, 4' x 8'.
  • Pushing turn button in locks outside knob, requiring use of key outside to unlock.
  • 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.
  • Key outside retracts latchbolt.
  • Inside knob always free.
  • Meets A156.2 Series 4000, Grade 1.



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