5/16"-18 X 1" Machine Screws | Indented Hex Washer Head | Steel Black Oxide (1250/Pkg.)

★★★★★ 4.9 76 reviews

US$163.44
Price when purchased online
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Sold and shipped by www.plantelitegroup.co.za
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US$163.44
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 242059365 Release Date 2026/07/19 List Price US$163.44 Model Number 242059365
Category

Engineered for strength and a clean, professional finish, this Machine Screw features an unslotted indented hex washer head, steel construction, and a durable black oxide coating. Sized 5/16-18 x 1, it's ideal for precise, high-torque fastening in tapped holes or with nuts.

  • Drive Type: Internal hex (Allen) drive for a slotted-free, high-torque engagement
  • Head Style: Indented hex washer head provides a flush, low-profile look and distributes load over a larger area
  • Material & Finish: Steel with a black oxide finish for corrosion resistance and a sleek appearance
  • Thread Size & Length: 5/16-18 UNC, 1 inch long
  • Applications: Great for equipment enclosures, control panels, and assemblies where a secure, neat fastener is required

To install, use the appropriate Allen (hex) drive with compatible taps or nuts. Avoid over-tightening to preserve thread integrity.


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4.9 out of 5
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76 ratings | 31 reviews
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