Pin Cam Lock Product Introduction

In 1848, American Yale Linus invented the pin tumbler lock, which utilizes a cylindrical pin. This design is now widely used in various locks worldwide. Modern pin tumbler locks have undergone further development, with the emergence of various designs, including two-way, three-way, and four-way pins, as well as mother pins. These designs also include flat, double-sided, multi-sided, double-row, double-sided, multi-row, multi-sided, and combination pins. This significantly enhances the security of locks, increasing the number of lock types from the original 2,500 to over a million through variations in direction and surface.