ISO 4017 Fully Threaded Metric Hexagon Head Bolt, Steel (AD-W7), Plain, Class 5.6 M20X70

Fully Threaded Hexagon Head Bolts / Screws, made from high-quality steel (AD-W7). These class 5.6 bolts feature a hexagon head for optimal driving features. The right-thread direction and metric thread ensure a secure fit for a range of applications. Specifically designed for pressure vessels, steam appliances, and flange connections in temperatures ranging from -10 °C to +300 °C, they meet rigorous standards including AD2000-W7, TRD106, DIN 267-13, and VdTÜV-Merkblatt 1253/4. Manufacturers in VdTÜV-Merkblatt 1253/4 can replace EN 10204 3.1 with a marked property class, recognized by Lloyd's Register Energy. With a plain surface treatment, these bolts meet industry standards including ASME B18.2.3.1M, DIN 933, ISO 4017, NEN 1558, and NF E25-114.