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Knobs by Corbin Russwin: CK4300 Series Grade 1

"Grade 1 Cylindrical Knob Locks"

- Select Function: Passage, Privacy, Entrance, Classroom, Storeroom, or Single Dummy.
- Finish: Satin Stainless Steel (630).
- Knob Option: Global (GRD).
- Note: Sold Less Cylinder. For matching Cylinders see "Companion Items" below.

- Delivery: All Corbin Russwin CK4300 Grade 1 Knobsets are factory-ordered, please allow 3-5 working days' lead time.

 
 
Total Price: $125.00 - $358.00
 

CK4300 Series Knobs by Corbin Russwin Commercial

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.

Features and Benefits
- Interal parts are zinc dichromate plated for corrosion resistance.
- Heavy wrought knobs with steel liner for impact resistance.
- 1/2" (13mm) Stainless Steel throw latchbolt.

Function: The Corbin Russwin CK4300 Series Knobs are available in Passage (CK4310), Privacy (CK4320), Entry/Office (CK4351), Classroom (CK4355), Storeroom (CK4357), and Single Dummy (CK4350) function.
Finish: The Corbin Russwin CK4300 Series Knobs come in Satin Stainless Steel (630) finish.
Knob Design: The Corbin Russwin CK4300 Series Knobs come in Global (GRD) design.

Cylinder Options: All Entry/Office (CK4351), Classroom (CK4355), and Storeroom (CK4357) functions are sold Less Cylinder; see "Companion Items" above for all Cylinder & Keying options.

Door Range: 1-3/8" - 2" (35mm - 51mm).
Latch: 2-1/4" x 1-1/8", Square Corner Faceplate, 7/8" housing diameter, 1/2" throw.
Strike: 4-7/8" x 1-1/4" ANSI Curved Lip supplied standard.

Backset: Standard 2-3/4" (70mm) backset.
Certification: Certified and meets A156.2 Series 4000, Grade 1.

Special Order Information: For pricing on any function or finish of the Corbin Russwin CK4300 Series Knobs not found on this page please contact Taylor Security direct via e-mail (sales@taylorsecurity.com) or call us toll-free at 1-800-676-7670.

Door Range: 1-3/8" - 2" (35mm - 51mm).
Latch: 2-1/4" x 1-1/8", Square Corner Faceplate, 7/8" housing diameter, 1/2" throw.
Strike: 4-7/8" x 1-1/4" ANSI Curved Lip supplied standard.

Backset: Standard 2-3/4" (70mm) backset.
Certification: Certified and meets A156.2 Series 4000, Grade 1.

Functions:

passage_knob - Passage (Hall & Closet): Both knobs always unlocked.
privacy_knob - Privacy (Bedroom & Bathroom): Pushbutton Locking. Can be opened from outside with small circular tool. Turning inside knob releases button.
Entrance_Knob - Keyed Entry (Entrance): Unlocked by key from outside when outer knob is locked by turn-button in inside knob; Inside knob always unlocked.

 - Classroom (Classroom Lock): Inside knob is always active. Key releases outside knob.
Storeroom_Knob - Storeroom (Storeroom Lock): Outside knob fixed. Entrance by key only. Inside knob always unlocked.

Dummy_Trim_Knob - Half Dummy (Dummy Trim): Single-sided surface-mounted Dummy Trim for one side of door. Used for door pull or as matching inactive trim.

Special Order Information: For pricing on any function or finish of the Corbin Russwin CK4300 Series Knobs not found on this page please contact Taylor Security direct via e-mail (sales@taylorsecurity.com) or call us toll-free at 1-800-676-7670.

 
 
 
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Instructions & Templates

Click on the links below to download helpful instructions & templates for this product.

Corbin Russwin Commercial CK4300 Series Locks

Download CK4300 Installation Instructions

Download CK4300 Series Catalog

 
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