Machine Screws Slotted Flat Steel Zinc 1/4-20X4 are precision-engineered fasteners designed for secure, reliable performance in metal-to-metal assemblies. Featuring a flat head and a slotted drive, these screws are ideal for applications that require a flush finish and easy tool access.

Specifications at a glance:

• Thread size: 1/4-20 UNC
• Length: 4 inches
• Material: Steel
• Finish: Zinc-plated for corrosion resistance
• Drive: Slotted
• Head style: Flat

Perfect for electronics enclosures, machinery, furniture assembly, automotive components, and other projects where a durable, flush-mount machine screw is required. The zinc coating helps resist rust and exposure to moderate weathering and moisture in indoor environments.

Installation tips: Use a flat-head screwdriver that fits the slot and is sized for a 1/4-inch screw. Tighten gradually to ensure a secure hold without damaging threads or the workpiece.

Choose these 1/4-20 x 4 inch machine screws for reliable strength, controlled torque, and a clean, professional finish in your next project.