Partially Threaded Hexagon Head Bolts / Screws, made from robust steel material. These class 8.8 bolts feature a hexagon head design for efficient driving. The metric thread and right thread direction ensure secure fastening in various applications. With a zinc plated finish with a thick layer of Cr(III) passivation surface treatment, these bolts meet industry standards including ASME B18.2.3.1M, DIN 931, ISO 4014, NEN 1555, and NF E25-112.