Qualfast: M20X1.50 Hex Nut MF (8) Hexagon Nut, Metric - (Fine), Steel - Standard (Self Colour), Plain - Grade 8, DIN 934 (1987). MPN: M20X1.50 Hex Nut MF (8) Attributes: Box Quantity: 50 Driving Features: Hexagon Grade: 8 Material: Steel Surface Treatment: Plain Thread: Metric Fine Thread Direction: Right Thread Size: M20