Corbin Russwin CK4332 GRD 630 Grade 1 Institutional Lock

Corbin Russwin CK4332 GRD 630 Grade 1 Institution Lock offers exceptional reliability and durability for high-use environments. Designed for a variety of demanding commercial, industrial, and institutional applications, this Grade 1 lock is perfectly suited for schools, hotels, hospitals, and airports. The CK4300 Series features a global knob design that combines traditional style with modern security, making it an ideal choice for any facility. Constructed with a heavy wrought knob lined with steel, this lock ensures superior impact resistance. Its non-handed design accommodates door thicknesses from 1-3/8" to 2" and includes a standard 2-3/4" backset. The lock chassis is made of steel with zinc dichromated treatment for corrosion resistance, while the stainless steel latchbolt boasts a 1/2" throw for added security. With a conventional cylinder and a 6-pin L4 keyway, the CK4332 comes with two cut keys and features ANSI/BHMA certification for grade 1. The lock's finish is a sleek satin stainless steel (630/US32D), ensuring both aesthetic appeal and functional durability. Backed by a 3-year limited warranty, the Corbin Russwin CK4332 is a robust solution for secure access in any professional setting.

Grade 1 Institution Lock

Grade 1 Institutional/Utility Cylindrical Lock, Global Knob, Conventional Cylinder, Satin Stainless Steel Finish, Non-handed

The CK4300 Series is ideal for demanding, high-use commercial, industrial and institutional applications, including, Schools, Hotels, Hospitals and Nursing Homes, Churches, Municipal Buildings, Airports, Retail complexes, Offices and Warehouses.

A traditional knob with ANSI/BHMA Grade 1 reliability and durability.

The CK4300 Series is ideal for demanding, high-use commercial, industrial and institutional applications. It's heavy wrought knobs are lined with steel for impact resistance. 

• Handing Non-handed.
• Door Thickness 1-3/8" (35mm) – 2" (51mm).
• Backset 2-3/4" (70mm) standard.
• Lock Chassis Steel, zinc dichromated for corrosion resistance.
• Front Wrought brass or stainless steel, 2-1/4" (57mm) x 1-1/8" (29mm). Accommodates doors beveled 1/8" (3mm) in 2" (51mm).
• Latchbolt Stainless Steel 1/2" (13mm) throw, 7/8" (22mm) diameter.
• Strike Wrought brass or stainless steel, ANSI curved lip standard, 4-7/8" (124mm) x 1-1/4" (32mm) x 1-1/4" (32mm) lip to center. Optional strikes, lip lengths and ANSI wrought strike box available
• Cylinder Brass, 6-pin, L4 keyway, 0-bitted standard.

Resources

• CK4300 Dummy Trim Installation Instructions
• CK4300 Installation Instructions
• CK4300 Series Cylindrical Lock Catalog
• CK4300 Series Grade 1 Cylindrical Knob Locks  Cut Sheet