Buy Direct 4-40 X 5/16″ Machine Screws Pan Head Six Lobe Drive Steel Black Zinc (10000/Pkg.)

Engineered for reliable fastening in mechanical assemblies, the Machine Screws Pan Steel Black Zinc Torx Alt 4/40 X 5/16 delivers secure, corrosion-resistant performance. The pan head offers a low-profile, smooth finish ideal for electronics enclosures, appliance panels, and machinery where a flush appearance is preferred.

Key specifications

Drive type: Torx

Head style: Pan

Material: Steel

Finish: Black zinc for corrosion resistance and a sleek look

Thread & length: #4-40 UNC, 5/16″ long

Designed for versatile use, these screws provide secure fastenings in electronics, automotive, and general hardware projects. The Torx drive minimizes cam-out and allows for precise tightening with a compatible Torx bit. The black zinc finish adds an extra layer of corrosion resistance while giving a clean, professional appearance.

Why choose these screws? They combine durable steel construction, a dependable Torx drive, and a black zinc finish to deliver long-lasting performance in demanding environments. Whether you’re assembling control panels, enclosures, or bracketry, these screws help you achieve clean, secure assemblies with ease.

Upgrade your toolkit with these 4-40 x 5/16″ pan head machine screws and experience dependable fastening on every project.