10-24 x 1/2 Phillips Binding Undercut Machine Screw Fully Threaded Zinc NWS1SS81 and the black phosphate coating

and the black phosphate coating resists corrosion

The bolt is 4 inches long and has a plain finish

and the fine thread ensures a secure hold

This 3/8-16 x 1 1/4 ribbed neck carriage bolt is made of 18-8 stainless steel for excellent corrosion resistance

This 1 1/4-7 x 12 Hex Cap Screw is made of Grade 5 steel and has a zinc coating

10-24 x 1/2 Phillips Binding Undercut Machine Screw Fully Threaded Zinc NWS1SS81 and the black phosphate coatingThese 10 24 x 1 2 Phillips Binding Undercut Machine Screws are fully threaded and made of zinc plated steel. They have a Phillips drive and an undercut head that allows them to be countersunk below the surface of the material they are being used to fasten. These screws are ideal for use in a variety of applications, including binding, woodworking, and metalworking. They are available in a variety of lengths to meet your specific needs.