5/8-11 x 3 1/4 Hex Head Flange Non Serrated Frame Bolt IFI-111 2002 Grade 8 Black Phosphate D9338 while the zinc plating offers

while the zinc plating offers corrosion resistance

This 1 1/2-6 x 5 Hex Cap Screw is made of Grade 5 steel and has a zinc finish

With a diameter of 5/8 inches and a length of 2 1/4 inches

This 3/8-16 x 1 1/2 hex machine bolt is made of steel and has a galvanized finish for corrosion resistance

The screw is 12 inches long and has a 1-8 inch diameter

5/8-11 x 3 1/4 Hex Head Flange Non Serrated Frame Bolt IFI-111 2002 Grade 8 Black Phosphate D9338 while the zinc plating offersThe 5 8 11 x 3 1 4 Hex Head Flange Non Serrated Frame Bolt IFI 111 2002 Grade 8 Black Phosphate is a heavy duty bolt designed for use in demanding applications. It is made of high strength steel and features a black phosphate finish for corrosion resistance. The bolt has a hex head for easy installation and removal, and a flange head that provides a large bearing surface for added strength. It is also non serrated, which prevents damage to the mating