5/8-11 x 1 7/8 Hex Rod Coupling Nut 13/16 inch Across Flats Zinc 2-64 while the oil finish helps

while the oil finish helps to prevent seizing

It has a 5/16-18 thread size and a length of 3 3/4 inches

The bolts have a square head and a pointed tip

while the yellow zinc coating offers excellent protection against rust and corrosion

The washer's zinc coating provides excellent corrosion resistance

5/8-11 x 1 7/8 Hex Rod Coupling Nut 13/16 inch Across Flats Zinc 2-64 while the oil finish helpsThis 5 8 11 x 1 7 8 Hex Rod Coupling Nut is made of durable steel with a zinc finish for corrosion resistance. It has a 13 16 inch across flats and is designed to securely connect two threaded rods. The hex shape allows for easy tightening and loosening with a wrench. This coupling nut is commonly used in a variety of industrial and construction applications, including structural support, machinery, and equipment.