Hexagon head screw Metric ASTM DIN ≈933 Steel ASTM A193M Plain Gr.B722700
Heavy hexagon head screw UNC ASTM ASME B18.2.1 Steel ASTM A193 Plain Gr.B722750
Hexagon head bolt ISO 4014 Steel 25CrMo4+QT Plain for pressure vessels23015
Hexagon head screw ISO 4017 Steel 25CrMo4+QT (1.7218) Zinc plated for pressure vessels23035
Hexagon head screw ISO 4017 Steel 25CrMo4+QT (1.7218) Plain for pressure vessels23030
Heavy hexagon head screw 8UN ASTM ASME B18.2.1 Steel ASTM A320 Plain Gr.L722765
Heavy hexagon head screw UNC ASTM ASME B18.2.1 Stainless steel ASTM A193 Gr.B822770