M20X80 Din 931 8 Point 8 Metric Partially Threaded Cap Screw Zinc (Pack Qty 40) BC-M2080D9318

An externally threaded fastener with hexagonal head, washer-face beneath the head, a metric thread pitch, made from medium carbon steel and heat-treaded. Threaded shank does not extend completely to the end Has greater tensile strength than Class 4.6, 4.8 and 5.8 bolts