DIN 933 corresponds to state standard specifications 7798-7805 and ISO 4017.
The hexagon head bolt and a full thread is made of structural zinc galvanized steel. It is applied to fastening of sheet metal in mechanical engineering and by production of furniture.
Steel: 8.8, 10.9, 12.9 (durability class for bolts);
Steel with a covering: galvanic galvanization, yellow chromatizing, hot galvanization;
Stainless steel: A2, A4;