ACDelco 3/8-16 Inch Thread Multi-Purpose Stud - 12550726 Part #: 12550726 Line: ACD ACDelco 3/8-16 Inch Thread Multi-Purpose Stud 2 Year LIMITED WARRANTY Material: Steel Thread Size: 3/8-16 Inch Thread Type: Coarse Hex Size (mm): 14mm Head Type: Hex Bolts Included: Yes Bolt Length (in): 3-1/2 Inch Hex Size (in): 9/16 Inch Nuts Included: Yes Washers Included: No Thread Diameter (mm): 9mm Dog Point Fastener: Yes SAE Or Metric: SAE Pilot Point Fastener: No Seat Type: Flat Bolt Length (mm): 89mm Number Of Bolts: 5 Spacers Included: No Lock Washers Included: No Number Of Nuts: 5 End 1 Thread Diameter (in): 3/8 Inch End 2 Thread Diameter (in): 3/8 Inch Show More Show Less