Qualfast: M12X100 Carriage Bolt C/W Nut BZP Carriage Bolt with Nut, Metric, Steel Grade 4.6, BZP (Bright Zinc Plated), DIN 603/555 MPN: M12X100 Carriage Bolt C/W Nut BZP Attributes: Box Quantity: 50 Driving Features: Self locking Grade: 4.6 Head Shape: Round Length: 100mm Material: Steel Standards Met: DIN 605/555 BS 4933 ASME B18.5.2.3M NF E25-402 ISO 8677 Surface Treatment: Zinc Plated System of Measurement: Metric Thread: Metric Thread Direction: Right Thread Size: M12