Qualfast: M6X40 Hex Head Bolt (GR-12.9) Metric Material - Steel Class - 12.9 MPN: 04108.060.040 EAN: M6X40 Hex Head Bolt (GR-12.9) Attributes: Box Quantity: Driving Features: Hexagon Grade: 12.9 Head Shape: Hexagon Head Length: 40mm Material: Steel Standards Met: DIN 931 Surface Treatment: Plain Thread: Metric Thread Direction: Right Hand Thread Size: M6