1/4"-20 X 1/2" Machine Screws | Indented Hex Washer Head | Steel Zinc Plated (3000/Pkg.)

★★★★★ 4.4 19 reviews

US$110.58
Price when purchased online
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US$110.58
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Free shipping Free 30-day returns

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Product details

Management number 242057888 Release Date 2026/07/19 List Price US$110.58 Model Number 242057888
Category

Secure, durable, and corrosion-resistant, these Machine Screws Unslotted Indented Hex Washer Zinc Plated 1/4-20 x 1/2 raise the standard for metal fastening in assemblies and enclosures. Built with rugged steel, they feature a built-in washer for load distribution and an indented hex (Allen) drive for reliable tightening without slippage.

  • Thread size: 1/4-20 UNC
  • Length: 1/2 in
  • Drive type: Internal hex (Allen), unslotted
  • Head style: Indented hex washer head with built-in washer
  • Finish: Zinc plated for corrosion resistance
  • Material: Steel

Applications include securing panels, enclosures, machinery components, and electronics housings where a compact, high-strength fastener is required.

  • High load distribution thanks to the washer under the head, reducing pull-through in softer materials
  • Corrosion resistance suitable for indoor environments and typical shop settings
  • Easy installation with a hex key or Allen driver

Tips: Use in tapped holes designed for 1/4-20 threads; avoid over-tightening to prevent stripping.


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4.4 out of 5
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19 ratings | 8 reviews
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