Compare Maximum number of 4 items selected ACDelco Multi-Purpose Bolt - 24430521 Part #: 24430521 Line: ACD ACDelco Multi-Purpose Bolt 2 Year LIMITED WARRANTY Thread Size: M12-1.25 Material: Steel Length (in): 3 Inch Length (mm): 65mm Head Type: Hex Head Size (mm): 18mm Thread Diameter (in): 1/2 Inch Thread Diameter (mm): 12mm SAE Or Metric: Metric Color/Finish: Silver Show More Show Less