SAE J485规定了螺栓或螺杆中孔的推荐标称直径和位置，以及螺母中槽的标称宽度和深度，用于推荐尺寸的英制开口销，如表1所示。

SAE J485 specifies the recommended nominal diameters and locations of holes in bolt or screw shanks, and nominal widths and depths of slots in nuts, for use with the recommended sizes of inch-series cotter pins, as shown in Table 1.