Trending 4-40 X 5/16″ Machine Screws Fillister Head Slotted Drive Steel Zinc Plated (10000/Pkg.)

Engineered for reliable, precise fastening, the Machine Screws Slotted Fillister Steel Zinc Plated 4/40 x 5/16 delivers durable performance for electronics, appliances, and metal enclosures. The combination of a slotted fillister head, steel body, and zinc plating ensures secure seating and corrosion resistance in lightweight applications.

Head style: Slotted fillister head for a low-profile, flush appearance.

Diameter and thread: #4 (4-40) with a 5/16 inch length.

Material: Steel for dependable strength in standard assemblies.

Finish: Zinc plated to resist corrosion and wear.

Drive type: Slotted driving recess for straightforward tool access.

Recommended uses: Electronics enclosures, control panels, chassis, light machinery, and other metal-to-metal or metal-to-plastic assemblies.

For optimal results, pair these screws with compatible tapped holes or nuts sized for 4-40 fasteners. They’re a versatile choice for hobbyists and professionals building or repairing equipment where a compact, dependable fastener is required.

Add these 4/40 x 5/16 machine screws to your hardware kit and experience secure, long-lasting assemblies.