5/16-18 x 5/8 Phillips Pan Machine Screw Fully Threaded Black Zinc NR5Y These washers are designed to

These washers are designed to provide a secure hold for bolts and nuts

this hex cap screw is ideal for securing heavy machinery

marine projects

and they have a square head for easy driving

This 5/8-11 x 9 1/2" Carriage Bolt is partially threaded with a 6" thread length and an undersized body

5/16-18 x 5/8 Phillips Pan Machine Screw Fully Threaded Black Zinc NR5Y These washers are designed toThis 5 16 18 x 5 8 Phillips pan machine screw is fully threaded and coated with black zinc for corrosion resistance. It has a pan head with a Phillips drive and is designed for use in a variety of applications, including metal, plastic, and wood. The screw is made of steel and meets ASTM standards for quality and durability.