M12-1.75 Carriage Bolts Metric DIN 603 Class 4.6 Zinc Plated Steel Pick Size+QTY
M12-1.75 Carriage Bolts Zinc Plated Class 4.6 Steel – DIN 603. Fastener Type: Carriage Bolt. Finish: CR+3 Case Hardened Zinc Plated. Square section prevents the bolt from turning when the nut is tightened.