1-1/8 x 3-1/2" Hex Machine Bolt A307 Grade A Steel (Quantity: 5) Zinc Steel, Coarse Thread, Fully Threaded, 1 1/8-7 x 3-1/2"

Diameter-Threads Per Inch: 1 1/8-7 | Length: 3-1/2 inch | A307 is the specification for carbon steel bolting, studs, and threaded rod with 60,000PSI tensile strength. Standard Hex Head