This SAE Standard covers the chemical, metallurgical, and mechanical requirements for one piece passenger car and truck ferrous wheel nuts with conical or spherical nut seats for the following sizes: a. M10 x 1.25 M14 x 1.5 M14 x 2.0 9/16-18 and b. M12 x 1.25 M12 X 1.5 1/2-20.This test is for typical wheel nuts. Special applications (nut material and/or configurations) may require special conditions which must meet load values in 3.4.