40H Series
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When you want the toughest mechanical security for your building, you want the 40H Series from BEST.

With its advanced features, improved functionality and unique versatility, this durable mortise lock is reliable and flexible in any commercial or industrial setting.

Heavy duty in both protection and performance, the 40H is the ideal security solution when strength and dependability are required. Free egress and overall security are never compromised. The BEST interchangeable core allows for customized master keying and quick keying changes. And its tough steel frame accommodates heavy traffic, while standing strong against break-in attempts. All the while, the 40H remains a low maintenance product that is easy to reconfigure and easy to install.

SIMPLY THE BEST

BEST has represented tough, versatile, high-quality locks for more than 90 years. Today, BEST leads the industry with bold, innovative designs and smart solutions for your business and your customers.

Features

The 40H Series incorporates the following industry-leading features:
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Universal case design that allows you to not only change the handing of the lock on-site, but reconfigure it to a variety of functions at the same time—all without ever opening the lock case

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Visual indicators that allow you to know at a glance if a door is secured; options include a thumb turn, laminate and a keyed cylinder (for use with intruder function)

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Various trim designs that allow you to transform the 40H into an appealing accent for the opening

Resources

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40H Series Brochure
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40H Series Lever Designs
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40H Series Sell Sheet
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40H Series Catalog
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40H Series Service Manual
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40H Series Visual Indicators Sell Sheet
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Knowledge Base

We offer a number of online tools that you can access quickly and easily, whenever you need it.

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