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Heavy Duty Grade 1 Communicating Cylindrical Lever Lock

The Yale 5421LN Heavy Duty Grade 1 Communicating Cylindrical Lever Lock is a robust and reliable choice for industrial and commercial applications. This Yale 5400LN Series lockset is designed to provide rugged reliability and performance, ensuring secure access every day. With its innovative Free Wheeling lever mechanism and heavy-duty components, it stands out as a preferred option for a wide range of applications.

Key Features and Specifications

The Yale 5421LN offers an array of features that make it a top choice for high-security needs. It meets ANSI/BHMA Series 4000 Grade 1 standards, ensuring exceptional quality and durability. The lock is also UL/cUL fire-rated up to 3 hours, providing an additional layer of safety. Key specifications include a heavy-gauge steel mechanism, zinc-plated, dichromated chassis plates, and a 2-3/4" standard backset with options for 3-3/4" or 5" extension links. The 1/2" stainless steel throw latchbolt and deadlocking guardbolt enhance security, while the adjustable door thickness from 1-3/4" to 2-1/4" ensures compatibility with various door types. Additionally, the lock is available in 13 finishes, including PVD lifetime finish options for 613, with PVD standard for 605 and 606 models.

Practical Applications and Benefits

The Yale 5421LN is ideal for a variety of commercial settings, including offices, schools, and industrial facilities. Its communicating feature allows for synchronized locking and unlocking of multiple doors, providing convenience and security. The lock's non-handed design and reversible strike options make it versatile for different door configurations. With its ANSI/BHMA Grade 1 certification and ADA compliance, the Yale 5421LN is not only secure but also accessible, making it a reliable choice for businesses that prioritize both safety and accessibility.