Corbin Russwin CL3857 Grade 2 Storeroom/Closet Standard-Duty Cylindrical Lever Lock

Corbin Russwin CL3857-KEYED Storeroom/Closet Cylindrical Lever Lock | Grade 2 | ANSI F86 | UL 3-Hour Fire Rated

Commercial-Grade Storeroom Security with Lever Release™ Vandal-Resistant Design

The Corbin Russwin CL3857-KEYED is a standard-duty Grade 2 cylindrical lever lockset engineered for storeroom and closet applications in commercial environments. Compliant with ANSI function F86, this keyed lock features a deadlocking latchbolt operated by key in the outside lever or by rotating the inside lever, with the outside lever freewheeling in the locked position and the inside lever always free. Designed for doors ranging from 1-3/8" to 1-3/4" in thickness with a 2-3/4" backset, the CL3857-KEYED is part of the CL3800 Series and is built to deliver an outstanding combination of value and performance for standard commercial applications. The most common configuration features the NZD Newport lever in 626 Satin Chrome finish.

Professional Features & Benefits

• Grade 2 standard-duty lever lockset per ANSI/BHMA A156.2 Series 4000, Grade 2
• Lever Release freewheeling levers for vandal resistance
• Solid cast levers with no plastic inserts
• Thrubolts prevent chassis rotation; ensure alignment, smooth operation and long life
• Non-handed spring cassette prevents lever sag
• 1/2" throw latchbolt accommodates 7/8" and 1" edge bore preps
• 2-3/8", 2-3/4", 3-3/4" and 5" backsets available
• UL/cUL listed for 3-hour fire doors up to 4' x 10'
• 14 finishes plus MicroShield® antimicrobial options
• High Security and security key systems available (Access 3®, Pyramid)
• Five-year limited warranty

Technical Specifications

• Grade: ANSI/BHMA A156.2 Series 4000, Grade 2
• Door Prep: ANSI/BHMA A156.115
• Handing: Non-handed
• Door Thickness: 1-3/8" to 1-7/8" (35–48mm) standard; optional 2" 2-1/4" (57mm)
• Backset: 2-3/4" (70mm) standard; optional 2-3/8", 3-3/4", 5"
• Latchbolt: Stainless steel, 1/2" (13mm) throw
• Front: Wrought brass, bronze, or stainless steel, 2-1/4" x 1-1/8" (standard)
• Strike: Wrought brass or stainless steel, ANSI curved lip, 4-7/8" x 1-1/4" x 1-1/4" lip to center
• Cylinder: Brass, 6-pin L4 keyway, 0-bitted standard
• Minimum Stile: 4-1/2" (114mm)
• Certifications: ANSI/BHMA A156.2 Grade 2; UL/cUL 3-hour fire rating; ADA A117.1; NFPA 80; Windstorm/Hurricane certified
• Warranty: Five-year limited

Professional Applications

• Interior Office Storerooms and Supply Closets
• Commercial Retail Complexes and Back-of-House Areas
• Multi-Family and Multi-Tenant Residential Properties
• Restaurant and Food Service Facilities
• Educational Facility Storage and Utility Rooms
• Healthcare Institution Supply and Equipment Closets
• Government and Municipal Building Interior Doors

Why Choose Corbin Russwin Quality?

Corbin Russwin CL3800 Series cylindrical lever locksets deliver professional-grade reliability through solid cast lever construction, a UL-cUL 3-hour fire rating, and ANSI/BHMA Grade 2 certification—all backed by a 7 Year Limited warranty. The steel substrate with zinc dichromate corrosion resistance and independent lever return springs ensure consistent, long-lasting performance in demanding commercial environments. With the Lever Release™ vandal-resistant design and thrubolts for solid door attachment, the CL3857-KEYED is engineered to provide dependable storeroom and closet security across a wide range of standard commercial applications.