9K Series
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When you need simple, safe and dependable protection, there's no better choice than the 9K Series from BEST.

The 9K is one of the toughest heavy-duty cylindrical locks on the market. With proven Grade 1 security, it's dependable and delivers superior security in countless environments. And with easy core interchangeability and a broad selection of functions, styles and finishes, the BEST 9K is ideal for retrofit and new construction alike.

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 9K Series incorporates the following industry-leading features:
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Pre-assembled heavy-duty chassis
for quick and easy installation

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Hardened steel thru-bolt studs to deliver
maximum lever torque resistance

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Cast construction lock hub, designed to protect the lock's critical components from every day use and abuse

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Intruder function option to secure classroom doors quickly from the inside during an emergency

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Low profile rose design to ensure
ADA-friendly lever operation

Resources

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9K Series Catalog
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9K Series FAQs
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9K Series Sell Sheet
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9K Series Service Manual
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9K Series Intruder Function Sell Sheet
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Cylindrical Adaptations Catalog
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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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