4-40 X 3/8″ Machine Screws Truss Head Phillips Drive Steel Black Oxide (10000/Pkg.) New Release

Enhance your hardware kit with the Machine Screws Phil Truss Steel Black Oxide 4-40 x 3/8 in. These Phillips-truss head machine screws pair a durable steel body with a black oxide finish for corrosion resistance and a clean, low-profile look—ideal for metal enclosures, panels, and assemblies that require a strong, precise fastener.

Key Features

Material: Steel

Finish: Black Oxide for durability and reduced glare

Head Type: Phillips-truss head

Drive: Phillips drive for common, easy installation

Size: 4-40 thread, 3/8 inch length

Thread: Machine screw thread

Applications

These screws are well-suited for fastening thin metal panels, brackets, and electronic enclosures, where a broad bearing surface and reliable grip are important. The 4-40 size is widely used in electronics, machinery, and hobby projects for secure, professional results.

Why Choose These

Choose these Phil Truss steel screws for dependable performance, straightforward installation with standard tools, and a durable Black Oxide finish that resists wear and tarnish. They pair seamlessly with compatible nuts, bolts, and components to deliver a clean, secure assembly.