8-18 x 1/2 Phillips Flat Undercut Thread Cutting Screw Type 25 Fully Threaded Zinc SPP188 The screw has a 6-lobe

The screw has a 6-lobe drive and is fully threaded

* **Threads per inch:** 18

and a 1/4" hex washer head

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

while the zinc and bake finish offers corrosion resistance

8-18 x 1/2 Phillips Flat Undercut Thread Cutting Screw Type 25 Fully Threaded Zinc SPP188 The screw has a 6-lobe8 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.