Qualfast: M10X1.00 Hex Thin Nut (4) Hexagon Thin Nut, MF (Metric Fine), Steel - Standard (Self Colour), Plain - Grade 4, DIN 439 B (1987). MPN: M10X1.00 Hex Thin Nut (4) Attributes: Box Quantity: 100 Driving Features: Hexagon Grade: 4 Material: Steel Surface Treatment: Plain Thread: Metric Thread Direction: Right Thread Size: M10