4-40 X 1/4″ Socket Cap Screws Button Head Hex Socket Drive Alloy Steel Zinc Plated (400 / Pkg.) Same Day Shipping
Original price was: $15.95.$8.29Current price is: $8.29.
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Cap Screws Button Socket Alloy Steel Zinc 4/40 X 1/4 are precision-engineered fasteners designed for secure, flush mounting in machinery and assemblies. This button head socket cap screw pairs strength with a low-profile design for neat, unobtrusive installations.
Specifications
Material: Alloy Steel
Finish: Zinc Plated
Head Style: Button Socket Cap Screw
Thread Size: 4-40
Length: 1/4 inch
Drive Type: Socket
Why Choose These Cap Screws
Designed for durability and corrosion resistance, zinc plating protects against wear in light-to-moderate environments. The compact button head sits flush or slightly recessed to maintain a clean appearance while offering secure clamping in electronics, automotive, furniture, and general mechanical applications.
Applications
Electronics enclosures and control panels
Automotive components and dashboards
Appliances and consumer hardware
Machinery, equipment, and assembly fixtures
How to Use
Choose a matching 4-40 thread nut or tapped hole when assembling components. Use an appropriately sized Allen key to tighten the socket drive until the desired clamping force is achieved.





