12-24 x 1/2 Unslotted Indented Hex Washer Thread Cutting Screw Type 23 Fully Threaded Zinc 1/4-20-.200 The 4-40 x 1/2 Phillips

The 4-40 x 1/2 Phillips Full Contour Truss Machine Screw Fully Threaded Black Zinc is a versatile screw designed for use in a wide range of applications

They have a square drive and a flat trim head

disc-shaped washer with a hole in the center

They are designed for use in metal applications and have a sharp point that allows them to easily penetrate the metal

12-24 x 1/2 Unslotted Indented Hex Washer Thread Cutting Screw Type 23 Fully Threaded Zinc 1/4-20-.200 The 4-40 x 1/2 Phillips12 24 x 1 2" Unslotted Indented Hex Washer Thread Cutting Screw Type 23 Fully Threaded Zinc Plated These screws are made of steel and have a zinc plated finish. They have a hex washer head and are fully threaded. The thread cutting point allows the screw to create its own threads as it is driven into the material. These screws are ideal for use in metal, plastic, and wood. Key Features: * Steel construction with zinc plated finish * Hex washer head *