American Lock continues to be the industry leader in portable security products by building on its already reputable quality and selection. In 4 easy steps, the Build Your Lock tool allows you to select your desired padlock and tailor it to your specific application needs. With every modification, the padlock image and price conveniently adjust.


Learn which padlocks can be built to match the key you already have. Each padlock has its own specific key number typically located on the key head. Most key numbers are supported by this application.
Browse through our different categories of padlocks you can customize and build to your own specifications. CHOOSE
Enter the padlock number you wish to customize. Most lock numbers are supported by this application.

Custom Built. Commercial Quality. Complete Security.

Since 1912, American Lock has been the brand of choice in security products for industry, government and commercial users worldwide, with high security padlocks that stand up both to attack and to the harshest environments. These qualities are what make American Lock "The Locksmith's Lock."

With nearly 100 years of precision machining and quality manufacturing, American Lock products exceed commercial industry standards. Building on this tradition, American Lock padlocks can be customized to meet your specific needs. Our make-to-order capabilities allow us to create tailored security solutions for your applications. Choose the best width, material, shackle diameter and length, product weatherability, as well as multiple keying options or laser engraving to secure your property.