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Cylindrical Knob Locks: National Lock Supply's Timeless Security Solution

Mar 13



In the realm of home and commercial security, the humble door lock plays a pivotal role in safeguarding our most precious assets. One type of lock that has withstood the test of time and continues to be a reliable security solution is the cylindrical knob lock. National Lock Supply, a leading provider of top-notch security products, has been a trusted source for these locks. In this article, we will explore the world of cylindrical knob locks and how National Lock Supply excels in providing durable and dependable security solutions.


Understanding Cylindrical Knob Locks


Cylindrical knob locks are a familiar sight in homes and businesses across the world. They are known for their simplicity, ease of use, and timeless design. These locks are typically found on interior doors, such as bedrooms, bathrooms, and offices, where privacy and basic security are essential.


The main components of cylindrical knob locks include:


  1. Exterior and Interior Knobs: These are the round knobs on both sides of the door, allowing users to turn them to lock or unlock the door.


  1. Latch Mechanism: The latch bolt extends from the edge of the door and engages with the strike plate in the door frame.


  1. Cylinder: This part of the lock contains the keyway, but in the case of Panic Exit Devices, it is usually located on one side, providing key access only on the exterior.


  1. Lockset: The complete assembly, including the knobs, latch mechanism, cylinder, and accompanying hardware.


National Lock Supply's Expertise


National Lock Supply has earned a reputation as a leading supplier of security products due to its dedication to quality, customer satisfaction, and innovation. Their range of cylindrical knob locks reflects their commitment to providing reliable and practical security solutions.


  1. Varied Selection: National Lock Supply offers a diverse range of Exit Device Trims that cater to different preferences and security needs. Whether you require locks for residential use or light commercial applications, they have options that fit the bill.


  1. Durability and Reliability: National Lock Supply's cylindrical knob locks are built to endure everyday use, offering lasting performance. These locks are manufactured with high-quality materials and precision engineering to ensure reliability and longevity.


  1. Key Control Solutions: The company provides key control options that empower users to manage access to their spaces effectively. This is particularly valuable for businesses and organizations that demand secure key management.


  1. Customization: National Lock Supply understands the importance of aesthetics in residential and commercial settings. They offer customization features, including various finishes and knob styles, to align with customers' design preferences while maintaining security.


  1. Expert Assistance: National Lock Supply's team of security experts is readily available to assist customers with product selection, installation guidance, and any security-related queries.


The Security and Peace of Mind


National Lock Supply's dedication to security and quality extends beyond their products. Their Exit Device Power Supply incorporate features designed to enhance safety, such as durable latch mechanisms and sturdy strike plates. National Lock Supply ensures that customers can trust in the security of their homes and businesses.




Cylindrical knob locks remain a popular and enduring choice for those seeking a straightforward and reliable locking solution. National Lock Supply's commitment to providing high-quality, customizable, and dependable cylindrical knob locks sets them apart in the security industry. With a comprehensive selection and a pledge to excellence, National Lock Supply is the trusted source for all your security needs. Choosing National Lock Supply's Surface Door Closers guarantees both security and peace of mind, ensuring that your properties remain protected for years to come.

National Lock Supply
165 Harrison Ave, Brooklyn, NY 11206