This Burnham Commercial screw is a small, yet essential component often used in various construction and repair projects. It is characterized by its size, which is commonly referred to as #8, indicating a diameter of approximately 0.164 inches or 4.2 millimeters. The length of the screw measures 3/4 inches or roughly 19 millimeters, providing adequate depth for secure fastening in most applications. The "SM" in its designation stands for Sheet Metal, suggesting that this screw is specifically designed for use with sheet metal materials. Its design includes a sharp point at one end to pierce through sheet metal easily and a head at the other end for driving the screw into the material using appropriate tools.
