Description
The Corbin Russwin CK4261 GRC 630 is a Grade 1 cylindrical knob lock designed for commercial and institutional applications requiring maximum security and durability. This heavy-duty lock serves offices, schools, hospitals, and government buildings where reliable access control and tamper resistance are critical.
Compatible with standard 2-1/8 inch backsets and 1-3/8 inch to 1-3/4 inch door thicknesses, the CK4261 installs easily into existing or new doors. As an authorized Corbin Russwin dealer, E.D. Locks provides expert guidance on keying options, master key systems, and compatibility. Contact our sales team at sales@edlocks.com or 1-877-207-6067 for personalized assistance and free shipping on orders over $450.
