Browse the page for information on square weld nut manufacturing process, forming method, available sizes, sub-types, thread types, metric and imperial dimension standards, weight charts, torque values, material categories, grades and astm specifications. Metric DIN 928 square weld nuts have four equally spaced welding projections at each corner for solid contact with the weld surface. It also features a precision pilot for accurate location and threading of mated components l fasteners for immediate delivery from stock. The following sizes of DIN 928. Add permanent threads to thin metal with our go-to weld nuts. These nuts come with. The procedures used to develop this document and those intended for its further maintenance are described in STD4444 Document Rules for Scania Corporate Standards (STD) Rules, Application and Process. In this STD, all non-company standards are referred as international standards (e.