Bolt Base (6mm) M6 x 90 Black 12.9 Grade High Tensile Hex Socket Cap screws Self Colour Allen Bolts DIN 912 - 2 Pack 12.9 Grade High Tensile Steel, Black (Self Colour) Socket Cap screws - DIN 912 6mm Metric Thread, M6 - 1.0mm Pitch Length - 90mm Excluding Head Ideal For High Stress Applications Or For When a High Strength Fastener Is Required