Crown Bolt 87220 00400 3/8-Inch by 2-1/2-Inch Hex Bolt Coarse Thread Zinc Plated, 25-Pack Zinc Plated 3/8-Inch X 2-1/2-Inch Hex Bolt Coarse USS For General Applications 3/8-Inch-16 Body Diameter And Thread Pitch 2-1/2-Inch Fastener Length Zinc Plated Finish