Qualfast: M6X40 Caiage Bolt A2 Carriage Bolt, Metric, A2 Stainless Steel - Grade 70, DIN 603. MPN: 51500.060.040 EAN: M6X40 Caiage Bolt A2 Attributes: Box Quantity: Driving Features: Self locking Grade: 70 Head Shape: Round Length: 40mm Material: A2 Stainless Steel Standards Met: ISO 8677 BS4933 B18.5.2.3M DIN 603 Surface Treatment: Plain System of Measurement: Metric Thread: Metric Thread Direction: Right Thread Size: M6