Secure, precise, and built to last, Machine Screws Phil Truss Steel Black Zinc 4/40 x 1/4 are ideal for electronics enclosures, sheet metal assemblies, and general hardware projects. The robust steel body provides strength, while the black zinc finish delivers corrosion resistance and a sleek, professional look.

Key features

• Head type: Phil Truss
• Material: Steel
• Finish: Black Zinc (corrosion resistant)
• Size: 4-40 x 1/4″ (UNC standard)
• Drive: Phillips

Why choose these screws

Designed for secure fastening in tapped holes or with nuts, these screws provide reliable clamping force without protrusion. The black zinc finish reduces glare and resists corrosion in indoor environments.

Applications

• Electronic enclosures and control panels
• Metal furniture and appliance assemblies
• Sheet metal projects and equipment housings
• General mechanical assemblies where a low-profile, strong fastener is required

Installation tips

Pair with compatible 4-40 nuts or tapped holes and tighten with a Phillips screwdriver. For best results, align holes before threading to prevent cross-threading and ensure a flush fit.

Protective, corrosion-resistant, and easy to install, these 4-40 x 1/4″ Phil Truss machine screws are a dependable choice for both DIY and professional applications. Order now to add reliable hardware to your next project.