Schlage Commercial B520-243 Lazy Cylinder Tailpiece for B250/460 IC Core and S200 Series

Schlage Commercial B520-243 Lazy Cylinder Tailpiece for B250/460 IC Core and S200 Series

The Schlage Commercial B520-243 Lazy Cylinder Tailpiece is a precision replacement part engineered for B250/460 IC core cylinders on doors with over 2-1/8" to 2-5/8" thickness, and for S200 Series cylinders (manufactured before February 26, 2008) on doors measuring 1-5/8" to 2". Sized for a 2.6" single cylinder application, this tailpiece restores proper cam engagement between the cylinder and the lock mechanism. Built to Schlage commercial standards, it is a straightforward, application-specific fix for worn or damaged tailpieces on qualifying mortise lock installations.

Key Features

• Door Thickness Compatibility: Designed for doors over 2-1/8" to 2-5/8" when used with B250/460 IC Core cylinders.
• S200 Series Compatibility: Also fits S200 Series cylinders (produced before February 26, 2008) on doors measuring 1-5/8" to 2".
• Cylinder Length: Matched to a 2.6" single cylinder configuration for correct tailpiece engagement.
• IC Core Compatibility: Purpose-built for Schlage B250/460 interchangeable core cylinders, ensuring proper cam alignment.
• Lazy Tailpiece Design: The lazy-cam configuration allows smooth, reliable actuation between cylinder and lock body.
• Commercial-Grade Replacement Part: Manufactured to Schlage specifications for dependable performance in commercial mortise lock applications.
• Direct-Fit Replacement: Enables straightforward servicing of qualifying Schlage lock assemblies without replacing the entire cylinder or lock body.

Technical Specifications

• Department: Door Hardware
• Product Category: Mechanical Locks
• Product Group: Parts and Accessories
• Subcategory: Parts and Accessories
• Product Subgroup: Parts and Accessories
• Product Type: Cylinder Tailpiece
• Parts and Accessories Type: Replacement Parts
• Commercial/Residential: Commercial
• Product Model: B520-243
• Features: Schlage Parts

Typical Applications

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

Why Schlage B520-243?

Schlage commercial parts are manufactured to precise tolerances so replacement components like the B520-243 restore original cam action and cylinder-to-lock engagement without compromising the integrity of the existing lock body. Choosing the correct tailpiece for your door thickness and cylinder type ensures smooth, reliable operation in demanding commercial environments where consistent lock function is essential.