Corbin Russwin CK4851 Grade 2 ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$436.77
$280.62
Corbin Russwin CK4851 Grade 2 Entrance/Office Cylindrical Lock, Global Knob, Conventional Cylinder

Corbin Russwin CK4851 Grade 2 Entrance/Office Cylindrical Lock, Global Knob, Conventional Cylinder

(No reviews yet) Write a Review

Model: CK4851 GWC 626
$436.77
$280.62
Selected Finish is
Selected Cylinder Type is
  • Corbin Russwin ADDER-CORBIN RUSSWIN-[KEYING]=KD - Keyed Different ADDER-CORBIN RUSSWIN-[KEYING]=KD - Keyed Different
  • Corbin Russwin ADDER-CORBIN RUSSWIN-[KEYING]=KA - Keyed Alike ADDER-CORBIN RUSSWIN-[KEYING]=KA - Keyed Alike

In Stock (leaves warehouse same day if ordered before 3pm ET)

$436.77
$280.62
Adding to cart… The item has been added
Free Shipping on orders over $99
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Corbin Russwin CK4851 Grade 2 Entrance/Office Cylindrical Lock, Global Knob, Conventional Cylinder

Applications
An outstanding combination of value and performance. Ideal for quality residential and
light commercial buildings, such as:
• Fine homes
• Apartments
• Motels
• Offices


Advantages
• Variety of functions
• Precision manufactured mechanisms, zinc dichromated for corrosion resistance
• Stainless steel latchbolt for long life
• Adjustable latchbolts accommodates flat and beveled doors

Manufacturer Resources

Product Specs

Subcategory:
Cylindrical Locks
Product Group:
Mechanical Locks
Series:
4000 Series
Grade:
Grade 1
Keyed Function:
Single Cylinder
Standard Latch:
787F66 - Deadlocking 2-3/4" Backset, Square corner front, 2-1/4" x 1-1/8" universal
Standard Strike:
ANSI Curved Lip 4-7/8" x 1-1/4" x 1-1/4" lip to center
Warranty:
1 Year
ANSI/BHMA:
A156.2
Product Subgroup:
Bored Locksets
Product Type:
Knobsets
Keyed:
Yes
Fasteners:
Wood and Machine Screws
Commercial/Residential:
Commercial
Function Description:
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.
Lock Type:
Cylindrical
Handle Type:
Knob
Lock Function:
Entrance/Office
Product Attribute:
Cylindrical Locks
Product Model:
CK4851
Product Function:
Entrance/Office
Door Hand Direction:
Non-Handed
Door Thickness Range:
1-3/8" to 2"
Product Category:
Mechanical Locks
Backset (Distance):
2-3/4"

Corbin Russwin CK4851 GWC 626 – Frequently Asked Questions

1) What applications is the Corbin Russwin CK4851 designed for?
The CK4851 is a Grade 2 entrance/office cylindrical lock for commercial and institutional use. It provides keyed entry from the outside and free egress from the inside. Suitable for offices, retail spaces, and light commercial applications.
2) Is this lock compatible with standard door preparations?
Yes, the CK4851 fits ANSI A115.1 standard door prep. Requires 2-1/8" cross bore and 1" edge bore. Compatible with doors 1-3/8" to 1-3/4" thick. Verify your door preparation matches these specifications before installation.
3) How do I determine the correct handing for this lock?
Most cylindrical locks are reversible in the field. Stand on the side where the hinges are visible. If hinges are on your right, it's right-handed; if on your left, it's left-handed. Consult the installation template for specific handing instructions.
4) What finishes are available for the Global knob design?
Corbin Russwin typically offers multiple finish options including satin chrome, polished brass, and dark bronze. Check product specifications for available finishes. Confirm finish availability and lead times when ordering.
5) What does Grade 2 certification mean for performance?
Grade 2 meets ANSI/BHMA A156.2 standards for commercial use. Tested for 400,000 cycles and can handle doors up to 4 feet wide weighing up to 180 pounds. Suitable for medium-duty commercial applications with moderate traffic.
6) Can this lock be keyed to match existing systems?
Yes, the conventional cylinder can be keyed to match most existing systems. Contact a locksmith or key control specialist to determine compatibility with your current keying system. Master keying and construction keying options are typically available.
7) What replacement parts are commonly needed?
Common replacement parts include cylinders, latch assemblies, and strike plates. Springs and internal mechanisms may need service over time. Keep model number CK4851 for ordering correct replacement components from authorized distributors.
8) What are the basic installation requirements?
Installation requires standard door prep tools and hardware mounting screws (typically included). Follow manufacturer template carefully. Ensure door frame is square and latch aligns properly with strike plate. Professional installation recommended for warranty compliance.
9) How do I maintain and adjust this cylindrical lock?
Regular cleaning with mild soap prevents buildup. Lubricate moving parts with graphite (not oil-based lubricants). Check latch alignment periodically. If handles become loose, tighten mounting screws. Avoid over-tightening which can bind mechanisms.
10) Are there related models in the CK series?
Corbin Russwin offers various CK series models with different functions including passage, privacy, and classroom functions. The CK4851 is specifically an entrance/office function. Browse our Corbin Russwin collection for compatible series options.
11) What door conditions affect lock performance?
Door sag, warping, or frame misalignment can cause binding or incomplete latching. Ensure proper door clearances and frame alignment. Extreme temperature changes or moisture exposure may affect operation. Address door and frame issues before lock installation.
12) What are the key measurements for proper fit?
Standard backset is typically 2-3/8" or 2-3/4" from door edge to center of knob. Cross bore diameter is 2-1/8" and latch bore is 1". Door thickness range is 1-3/8" to 1-3/4". Verify these dimensions match your door before ordering.
How fast can I get the Corbin Russwin CK4851 GWC 626 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Corbin Russwin CK4851 GWC 626 come with a warranty?
Absolutely. The Corbin Russwin CK4851 GWC 626 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Corbin Russwin CK4851 GWC 626?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Corbin Russwin CK4851 GWC 626 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!