Bolt Base (8mm) M8 x 45 Black 10.9 Grade High Tensile Hex Socket Button Head screws Self Colour Bolts - 10 Pack 10.9 Grade High Tensile Steel, Black (Self Colour) Socket Button Head- ISO 7380 8mm Metric Thread, M8 - 1.25mm Pitch Length - 45mm Excluding Head Ideal For High Stress Applications Or For When a High Strength Fastener Is Required