Corbin Russwin 586F18 Grade 1 - CL3300 2-3/4 Inch Backset Throw-Off Latch, Square Corner, 1-1/8" Width

Corbin Russwin 586F18 CL3300 Throw-Off Latch Backset, 2-3/4" Backset, Square Corner, 1-1/8" Width, Field Reversible

Commercial-Grade Cylindrical Lock Replacement Backset for CL3500/CL3800 Series

The Corbin Russwin 586F18 is a precision-engineered throw-off latch backset designed for use with the CL3500/CL3800 Series cylindrical locksets. Featuring a 2-3/4" backset with a square corner faceplate and a 1-1/8" width, this replacement part delivers reliable latch performance in demanding commercial environments. The field-reversible door hand direction ensures straightforward adaptation to virtually any door configuration without the need for additional components.

Professional Features & Benefits

• Grade 1 cylindrical lockset per ANSI/BHMA A156.2 Series 4000, Grade 1
• Lever Release™ design for vandal resistance — outside lever rotates freely when locked
• EZ-Install components significantly reduce installation time
• Independent return springs prevent lever sag
• 4 solid cast lever options (Armstrong, Newport, Princeton, Frascati)
• Anti-rotational through-bolts at 6 and 12 o'clock positions
• Accommodates 6 or 7-pin conventional cylinders and all keying levels
• CL3352 Classroom Intruder function: double-cylinder lockset, always-free egress
• Available with MicroShield® antimicrobial coating (suffix option code "C")
• CL33900 electrified option: fail safe and fail secure, 12 or 24VAC/VDC
• ElectroLynx® 8-pin connector on all electrified products
• Seven-year limited warranty (two-year for electrified)

Technical Specifications

• Grade: ANSI/BHMA A156.2 Series 4000, Grade 1
• Handing: Non-handed (except FZD trim)
• Door Thickness: 1-3/4" (44mm) 2" (51mm) standard; optional over 2" 2-1/4" (57mm)
• Backset: 2-3/4" (70mm) standard; optional 3-3/4" (95mm) and 5" (127mm)
• Latchbolt: Stainless steel, 1/2" (13mm) throw; optional 3/4" (19mm) fire latch
• Auxiliary Latchbolt: Deadlocking — prevents manipulation when door is closed
• Lock Chassis: Steel, zinc dichromated for corrosion resistance
• Front: Wrought brass, bronze, or stainless steel, 2-1/4" x 1-1/8"
• 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
• Electrified Voltage: 12VAC/DC or 24VAC/DC (CL33900 Series)
• Electrified Current: 250mA @ 12VAC/VDC; 150mA @ 24VAC/VDC, continuous duty solenoid
• Certifications: ANSI/BHMA A156.2 Grade 1; UL-cUL listed; ANSI A117.1 Accessibility; California State Fire Marshal
• Warranty: Seven-year limited (two-year for CL33900 electrified)

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose Corbin Russwin Quality?

Corbin Russwin door hardware components are engineered to commercial-grade standards, delivering the precision fit and reliable performance that demanding institutional and commercial environments require. The 586F18 throw-off latch backset is a genuine replacement part designed specifically for the CL3500/CL3800 Series, ensuring manufacturer-specified compatibility and function. With field-reversible handing and a precise 2-3/4" backset with 1-1/8" square corner faceplate, this component supports efficient, professional installations across a wide range of commercial applications.