Machine Screws Combo Pan Steel Zinc 4/40 x 1/4 is a dependable fastener engineered for secure metal-to-metal assemblies. Made from durable steel and finished with zinc plating, these machine screws resist corrosion and wear in a variety of projects.

Designed with a pan head, they provide a wide bearing surface for a flush, neat finish in electronics enclosures, machinery, cabinets, and other metal hardware applications. The 4/40 UNC thread size and 1/4 inch length are ideal for light to medium-duty fastening tasks where precise alignment and clean assembly are required.

Key features

• Material: Steel with zinc plating for corrosion resistance
• Head style: Pan head for a broad bearing surface and secure seating
• Thread size: 4-40 UNC
• Length: 1/4 inch
• Finish: Zinc-plated

Common applications

• Electronic enclosures and panels
• Metal furniture and cabinetry
• Machinery, tool housings, and equipment assemblies
• General metal-to-metal fastening where a precise fit is required

Installation tips

• Use with matching 4-40 threaded holes or nuts for secure fastening
• Clean threads before installation to ensure smooth seating
• Choose an appropriate driver to prevent thread damage or stripping

Upgrade your hardware with these reliable, corrosion-resistant 4/40 x 1/4 inch pan head machine screws and enjoy durable performance across a range of projects.