Bolt Base (8mm) M8 x 140 Black 10.9 Grade High Tensile Hex Socket Countersunk screws Self Colour Allen Bolts DIN 7991 - 100 Pack 10.9 Grade High Tensile Steel, Black (Self Colour) Socket Countersunk - DIN 7991 8mm Metric Thread, M8 - 1.25mm Pitch Length - 140mm Including Head Ideal For High Stress Applications Or For When a High Strength Fastener Is Required