Best Choice 4-40 X 3/16″ Machine Screws Round Head Phillips Drive Steel Zinc Plated (10000/Pkg.)

Engineered for reliable fastening in electronics, machinery, and general hardware projects, these machine screws feature a Phillips drive and a round head design. Made from solid steel with a durable zinc plating, they resist corrosion and provide a clean, professional finish.

Details at a glance: Size 4-40 (UNC), length 3/16 inch, Phillips drive, round head, steel with zinc coating. Suitable for metal-to-metal and some plastic applications where a robust, compact fastener is required.

Thread size and length: 4-40 UNC, 3/16 inch long for precise, low-profile fastening.

Drive type: Phillips drive (PH) for compatible screwdrivers and bits.

Head style: Round head provides a smooth profile and easy driving without seating flush into panels.

Material and finish: High-strength steel with zinc plating for corrosion resistance and longevity.

Applications: Ideal for electronics enclosures, control panels, automotive assemblies, and general hobby projects requiring small machine screws.

Whether you’re building a compact electronics project or repairing a small appliance, these 4-40 x 3/16″ Phillips round head machine screws deliver dependable performance and a professional finish. Add them to your hardware kit for quick, secure fastening every time.