Stanley QCL150 M 626 S4 478S LC Grade 1 Heavy-Duty Cylindrical Lock

Stanley Security QCL150 M 626 S4 478S LC Grade 1 HD Cylindrical Lock offers exceptional durability and performance for commercial applications. Designed for entry and office use, this lock features the Summit Lever design with a square 2-3/4 inch ANSI strike and comes in a sleek satin chrome finish. Engineered for high traffic areas, the QCL150 excels in heavy abuse situations, ensuring reliable functionality over time. Its Grade 1 certification from BHMA/ANSI confirms its superior quality and security. The lock incorporates advanced features such as a thru-bolt design, clutching mechanisms, and fire-rated latches, which collectively enhance its security capabilities. Installation is straightforward due to the compartmentalized packaging, making it an excellent choice for professionals seeking efficiency. Furthermore, the option for a small format interchangeable core (SFIC) allows for seamless integration with existing systems, providing flexibility in security management. Whether you’re outfitting a busy office or a public access facility, the Stanley Security QCL150 M 626 S4 478S LC Grade 1 HD Cylindrical Lock is a smart investment for robust security solutions that stand the test of time.

GRADE 1 HD CYLINDRICAL LOCK

Grade 1 HD Cylindrical Lock, Entry/Office Summit Lever, Square 2-3/4, Ansi Strike Less Cylinder, Satin Chrome

Quick and easy to install, these locks are also vandal resistant, durable, and have an exceptionally reliable performance life.

STANLEY Commercial Hardware QCL100 series Grade 1 heavy duty cylindrical locks deliver quality, performance, and long-term durability at a great value. When you need a reliable lockset for high traffic, heavy abuse applications, the QCL100 series offers flexible solutions with built-in security features to meet those demands.

• QCL100 series locks ensure the utmost security with features like thru-bolt design, clutching mechanisms, and fire-rated latches.
• QCL100 locks are easy to install, thanks to compartmentalized packaging.
• Each lock in the series significantly exceeds performance requirements and is BHMA/ANSI Grade 1 certified.
• Choose locks with a SFIC option or keep your existing small format cores and use them with QCL100 series heavy-duty locks.

Resources

• Stanley Commercial Grade 1 HD Cylindrical Lock Cut Sheet