Transit time is determined by shipping method and destination. Most orders will ship via FedEx or UPS Ground. If an item is out of stock or will require significant lead time we will contact you. Same-Day shipping cutoff time is 12:00 pm EST. Please see our Shipping Info page for more details. You can also CHAT WITH US to determine Shipping Estimates for your specific Items
Ideal for demanding commercial, industrial, and institutional applications, the CK4300 Series is a standard cylindrical lockset which combines traditional knob aesthetics with ANSI/BHMA Grade 1 reliability and durability.
Function:
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.
Turning inside knob unlocks outside knob.
Certifications:
UL listed and UL10c compliant
UL-cUL Listed for use on fire doors having a rating up to and including 3-hours
See more about Corbin Russwin CK4351 Grade 1 Entrance or Office Cylindrical Knob Lock here