#4-40 X 1/2" Socket Cap Screws | Flat Head Hex Socket Drive | Nylon Patch | Alloy Steel Thermal Black Oxide (100 / Pkg.)

★★★★★ 4.3 57 reviews

US$5.89
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US$5.89
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 242040428 Release Date 2026/07/19 List Price US$5.89 Model Number 242040428
Category

Cap Screws Flat Socket Nylon Patch Alloy Thermal Black Oxide 4-40 X 1/2 is a precision fastener engineered for reliable performance in compact spaces. Featuring a flat socket head, an alloy body, and a nylon patch, this screw is finished in durable thermal black oxide for corrosion resistance and a sleek, low-profile appearance. Size 4-40 and a length of 1/2 inch make it a versatile choice for electronics, instrumentation, and small machinery assemblies.

Key Features

  • Flat Socket Head Cap Screw: flush mounting and a clean, professional look in tight spaces
  • Alloy Construction: high strength and durability
  • Nylon Patch: integrated for added stability and compatibility with sensitive components
  • Thermal Black Oxide Finish: corrosion resistance with a low-gloss, attractive finish
  • Size and Fit: 4-40 thread, 1/2 inch length

Specifications

  • Thread Size: 4-40
  • Length: 1/2 inch
  • Head Style: Flat Socket Cap Screw
  • Drive: Hex Socket
  • Material: Alloy
  • Finish: Thermal Black Oxide
  • Nylon Patch: Included

Applications

Ideal for precision fastening in electronics enclosures, instrumentation panels, mechanical assemblies, and other applications where compact, reliable fasteners are essential.

Add to cart to secure dependable performance in your next project.


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4.3 out of 5
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57 ratings | 23 reviews
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