8-18 x 1/2 Phillips Flat Undercut Thread Cutting Screw Type 25 Fully Threaded Zinc SPP188 it offers excellent corrosion resistance

it offers excellent corrosion resistance and a hardness of 140HV

it offers both strength and longevity

They are available in a variety of lengths and can be used for a variety of purposes

The unthreaded portion of the screw is 1 1/4 inches long

8-18 x 1/2 Phillips Flat Undercut Thread Cutting Screw Type 25 Fully Threaded Zinc SPP188 it offers excellent corrosion resistance8 18 x 1 2 Phillips Flat Undercut Thread Cutting Screw Type 25 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 drive. The screw has a flat undercut head and a fully threaded shank. The thread cutting point allows the screw to create its own threads as it is driven into the material. This type of screw is often used in metal, plastic, and wood applications.