03×6
The term "03×6" can refer to several things depending on the context. It is most commonly encountered as a size designation, particularly in lumber and other construction materials. In this context, "03×6" signifies a nominal dimension of 3 inches by 6 inches. However, it is important to note that these are not the actual finished dimensions of the material. For example, a standard 2x4 piece of lumber, which has a nominal size of 2 inches by 4 inches, actually measures 1.5 inches by 3.5 inches after milling. Therefore, a piece of lumber designated as 3x6 would have a finished size that is smaller than 3 inches by 6 inches, typically around 2.5 inches by 5.5 inches, though this can vary slightly by manufacturing standards.
Beyond construction, "03×6" could also be part of a model number, a serial number, a product code,