Bolt Base (5mm) M5 x 55 Black 12.9 Grade High Tensile Hex Socket Cap screws Self Colour Allen Bolts DIN 912 - 10 Pack 12.9 Grade High Tensile Steel, Black (Self Colour) Socket Cap screws - DIN 912 5mm Metric Thread, M5 - 0.8mm Pitch Length - 55mm Excluding Head Ideal For High Stress Applications Or For When a High Strength Fastener Is Required