8-18 x 3/8 Phillips Flat Undercut Thread Cutting Screw Type 25 Fully Threaded Zinc D934188B It features a 3/4-inch NPT

It features a 3/4-inch NPT connection for high-pressure water flow and a durable brass construction for long-lasting performance

these screws are a versatile and essential addition to any toolbox

It is also coated with a durable EcoGuard finish that provides corrosion resistance and meets DFAR requirements

The fine thread provides a more secure hold than a coarse thread

a round open-end for easy insertion

8-18 x 3/8 Phillips Flat Undercut Thread Cutting Screw Type 25 Fully Threaded Zinc D934188B It features a 3/4-inch NPT8 18 x 3 8 Phillips Flat Undercut Thread Cutting Screw Type 25 Fully Threaded Zinc: This screw is designed for use in metal applications. It has a Phillips drive and a flat undercut head. The thread cutting point allows the screw to create its own threads as it is driven into the material. The screw is fully threaded, which provides maximum holding power. The zinc plating provides corrosion resistance.