10.9 Grade High Tensile Steel, Black (Self Colour);Socket Button Head- ISO 7380;4mm Metric Thread, M4 - 0.7mm Pitch;Length - 20mm Excluding Head;Ideal For High Stress Applications Or For When a High Strength Fastener Is Required

• Bolt Base (4mm) M4 x 20 Black 10.9 Grade High Tensile Hex Socket Button Head screws Self Colour Bolts - 10 Pack

Bolt Base (4mm) M4 x 20 Black 10.9 Grade High Tensile Hex Socket Button Head screws Self Colour Bolts - 10 PackBolt Base