Qualfast: M30 Hex Nut ISO Hot Dip Galvanised Hexagon Thin Nut Metric Steel - H.D.Galv (Hot Dip Galvanised) ISO 4035 MPN: M30 Hex Nut ISO Hot Dip Galvanised Attributes: Box Quantity: 25 Driving Features: Hexagon Grade: 4 Material: Steel Surface Treatment: Hot Dip Galvanised Thread: Metric Thread Direction: Right Thread Size: M30