1-8 Castle Nut Zinc 4-40 Its 5/16-18 thread size ensures

Its 5/16-18 thread size ensures compatibility with standard nuts and washers

while the zinc finish protects against corrosion

It has a ribbed neck that provides extra holding power and prevents the bolt from turning in the wood

This 5/16-18 x 2 3/4 inch fully threaded carriage bolt is made of steel and has a zinc finish for corrosion resistance

1-8 Castle Nut Zinc 4-40 Its 5/16-18 thread size ensuresThe 1 8 Castle Nut Zinc is a high quality, durable nut that is perfect for a variety of applications. Made from zinc plated steel, this nut is resistant to corrosion and rust, making it ideal for use in outdoor or wet environments. The castle nut design features a series of notches around the circumference, which allows for easy installation and removal using a cotter pin. With its strength and reliability, the 1 8 Castle Nut Zinc is a great choice