8-32 x 1/4 Phillips Flat Undercut Machine Screw Fully Threaded Black Zinc NSTYC It is also zinc plated

It is also zinc plated

1/4 x 3 Acoustical Eye Lag Steel Plain is a type of lag screw designed specifically for use in acoustical tile applications

The 100º flat head allows the screw to be countersunk into the surface of the material being fastened

while the 5/8-11 thread size ensures a tight fit

8-32 x 1/4 Phillips Flat Undercut Machine Screw Fully Threaded Black Zinc NSTYC It is also zinc platedThis 8 32 x 1 4 Phillips flat undercut machine screw is fully threaded and coated in black zinc for corrosion resistance. It has a Phillips drive and a flat undercut head that sits flush with the surface of the material it is screwed into. This screw is commonly used in a variety of applications, including electronics, appliances, and furniture.