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

Mutual ScrewSKU: 0408CSBPBB

Price:
Sale price$25.29per 100( $0.25 each)
Pieces 100
Measurement type Inch
Thread size #4-40
Length 1/2
Material Alloy Steel
Finish Thermal Black Oxide
Drive Hex Socket
Head style Button
Threads per inch 40
Thread style Fully Threaded
Weight 1.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Cap Screws Button Socket Nylon Patch Alloy Thermal Black Oxide 4-40 X 1/2 provides a compact, high-strength fastening solution for a wide range of assemblies. Featuring a button head socket drive, nylon patch, and heat-treated alloy construction, these fasteners are built to endure demanding conditions while preserving surface finish.

Key features and benefits include:

  • Material: Alloy base with a built-in nylon patch for vibration damping and protection against wear.
  • Finish: Thermal black oxide finish for corrosion resistance and a sleek, low-reflectivity appearance.
  • Size: #4-40 thread with a 1/2 inch length (12.7 mm) for precise, compatible mounting.
  • Head & Drive: Button head with a socket drive for a clean, low-profile look and easy assembly.
  • Applications: Ideal for electronics enclosures, machinery panels, DIY projects, and hobby kits.
  • Durability: Engineered for repeated assembly and disassembly with consistent torque and holding power.

Designed for professionals and DIY enthusiasts alike, these cap screws deliver reliable fastening in tight spaces where a flush head and smooth surface finish matter. Use with compatible #4-40 nuts or tapped holes and pair them with a suitable driver to ensure accurate torque and longevity.

Invest in quality fasteners that blend strength, precision, and aesthetics—order the Cap Screws Button Socket Nylon Patch Alloy Thermal Black Oxide 4-40 X 1/2 today.

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