1-8 x 6 Heavy Hex Structural Bolts A325 Type 1 Plain Made in North America D93110 The undersized body has a

The undersized body has a diameter of 5/16 inch

They have a zinc coating for corrosion resistance

This 5/16-18 x 7 1/2 carriage bolt is made of steel and has a zinc finish for corrosion resistance

and plastic

The hex head provides ample grip for tightening

1-8 x 6 Heavy Hex Structural Bolts A325 Type 1 Plain Made in North America D93110 The undersized body has aThese 1 8 x 6 Heavy Hex Structural Bolts are made of high strength steel and are designed for use in structural applications. They have a plain finish and are made in North America. These bolts are perfect for use in a variety of applications, including bridges, buildings, and other structures. They are also ideal for use in heavy duty machinery and equipment.