Bigboltnut Manufacturer and exporter of din 933 bolt dimensions, grades, and also design a weigh chart of bolts and nuts according to length and diameters of bolts and nuts . Din 933 is a German version of hexagonal head bolt that is ISO 4017. These products are produced by using stainless, steel, stainless steel bolts, alloy, brass etc Din933 bolts manufactured by bigboltnut and products are supply in construction , machinery and automotive industry.