4-40 x 1 1/8 Phillips Pan Machine Screw Fully Threaded Zinc WC188 while the full thread offers

while the full thread offers a secure hold

They are non serrated

It has a Phillips drive and a flat undercut head

The 1/2-13 x 1 Phillips flat undercut machine screw is a fully threaded screw with a Phillips drive and a flat undercut head

The screw is designed for use in wood applications

4-40 x 1 1/8 Phillips Pan Machine Screw Fully Threaded Zinc WC188 while the full thread offersThe 4 40 x 1 1 8 Phillips Pan 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 pan head. The screw is fully threaded, meaning that it has threads along its entire length. This type of screw is often used in metalworking and other industrial applications. It is also commonly used in home improvement projects.