4-40 x 7/16 Slotted Binding Undercut Machine Screw Fully Threaded 18-8 Stainless Steel 1-8 NE The cadmium and wax coating

The cadmium and wax coating provides corrosion resistance and a smooth finish

it offers exceptional tensile strength and durability

The screw is 5 1/2 inches long and has a diameter of 3/8 inches

This 1/4-20 x 1 3/4 Phillips round machine screw is fully threaded and made of zinc-plated steel

The Grade 8 rating indicates exceptional strength

4-40 x 7/16 Slotted Binding Undercut Machine Screw Fully Threaded 18-8 Stainless Steel 1-8 NE The cadmium and wax coatingThe 4 40 x 7 16 Slotted Binding Undercut Machine Screw is a fully threaded screw made of 18 8 stainless steel. It has a slotted drive and an undercut head, which allows it to be countersunk below the surface of the material it is being used to fasten. This screw is commonly used in binding applications, such as securing the pages of a book or magazine. It is also commonly used in other applications where a strong, corrosion resistant screw is needed.