Partially Threaded Hexagon Head Bolts / Screws, made from stainless steel material. These A4-70 bolts feature a hexagon head design for efficient driving. The metric thread and right thread direction ensure secure fastening in various applications. With a stainless steel A4-70 surface treatment, these bolts meet industry standards including ASME B18.2.3.1M, DIN 931, ISO 4014, NEN 1555, and NF E25-112.