4-40 x 1/4 Phillips Flat Machine Screw Fully Threaded Zinc Yellow 1/2-20 It features a round head

It features a round head with a square neck beneath to prevent spinning during installation

These lock nuts are ideal for securing bolts

ensuring reliable performance in demanding environments

This type of nut is often used in applications where weight and space are important

Its 420 stainless steel washer provides an even distribution of force

4-40 x 1/4 Phillips Flat Machine Screw Fully Threaded Zinc Yellow 1/2-20 It features a round headThese 4 40 x 1 4 Phillips flat machine screws are fully threaded and made of zinc with a yellow finish. They have a Phillips drive and are designed for use in a variety of applications. The screws are 1 4 inch long and have a diameter of 4 40. They are strong and durable, and they are easy to install. These screws are perfect for use in wood, metal, and plastic.