5-40 x 5/16 Phillips Flat Machine Screw Fully Threaded Zinc 1/4-28 This lock nut is ideal

This lock nut is ideal for applications where a strong and reliable hold is required

The ribbed neck provides additional holding power

with 6" of thread under the head

They are coated with yellow zinc for corrosion resistance and have a hexagonal head for easy installation with a wrench or socket

5-40 x 5/16 Phillips Flat Machine Screw Fully Threaded Zinc 1/4-28 This lock nut is idealThe 5 40 x 5 16 Phillips Flat Machine Screw Fully Threaded Zinc is a type of screw that is used in a variety of applications. It is made of zinc plated steel and has a Phillips drive head. The screw is 5 16 inches long and has a diameter of 5 40. It is fully threaded, which means that the threads extend the entire length of the screw. This type of screw is often used in metalworking and other applications where a strong and durable fastener is