Description
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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