#4-40 X 1/2" Socket Cap Screws | Button Head Hex Socket Drive | Alloy Steel Zinc Plated (100 / Pkg.)
Product details
| Management number | 242040417 | Release Date | 2026/07/19 | List Price | US$6.76 | Model Number | 242040417 | ||
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Cap Screws Button Socket in alloy steel with a zinc finish delivers strong, reliable fastening in a compact, low-profile design. Sized at 4/40 x 1/2, these cap screws are ideal for applications requiring a smooth, rounded button head and a secure socket drive.
Designed for precision assemblies, these button socket cap screws combine durable alloy steel with a corrosion-resistant zinc coating, providing lasting performance in indoor environments, machinery, electronics enclosures, and furniture hardware. The socket drive ensures a flush seating and clean aesthetic while delivering dependable torque transfer.
Key features
- Head style: Button (domed) socket cap screw
- Drive type: Socket (hex) drive for secure tightening
- Material: Alloy steel for strength and durability
- Finish: Zinc plating for corrosion resistance
- Thread size: 4/40
- Length: 1/2 inch
Applications
Perfect for general-purpose fastening where a low-profile head is desired, including electronics enclosures, automotive interior components, machinery assemblies, and furniture hardware. The combination of strength, precision, and a clean finish helps ensure both performance and aesthetics in your projects.
Specifications
- Head: Button (domed) socket cap
- Drive: Socket hex
- Material: Alloy steel
- Finish: Zinc plated
- Thread size: 4/40
- Length: 1/2 in
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