Fully Threaded Hexagon Head Steel Bolts, manufactured from Class 70 Stainless Steel. Crafted from top-tier A2 (AD-W2) stainless steel, these bolts feature a hexagon head and metric thread. Designed for pressure vessels, steam appliances, and flange connections at temperatures from -10 °C to +300 °C, they meet stringent standards including AD2000-W2, TRD106, DIN 267-13, and VdTÜV-Merkblatt 1253/4. Certification flexibility allows manufacturers in VdTÜV-Merkblatt 1253/4 to replace EN 10204 3.1 with a marked property class, recognised by Lloyd's Register Energy. These bolts meet industry standards including ASME B18.2.3.1M, DIN 933, ISO 4017, NEN 1568, and NF E25-114 standards.