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User-friendly Jfast 31nr8b - 5/16-18 Serrated Flange Hex Lock Nuts Grade 8 Black Phosphate, Case Quantity: 1,500 Holiday Cheer Edition [E5uX7ORK]

$44.99 $143.99 -69%

High-Quality Hex Flange LocknutsIntroducing the JFAST 31NR8B - 5/16-18 Serrated Flange Hex Lock Nuts, a premium Grade 8 black phosphate finish product designed for exceptional performance and durability. These lock nuts are engineered to provide a se

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High-Quality Hex Flange Locknuts

Introducing the JFAST 31NR8B - 5/16-18 Serrated Flange Hex Lock Nuts, a premium Grade 8 black phosphate finish product designed for exceptional performance and durability. These lock nuts are engineered to provide a secure fit, making them ideal for a wide range of applications. The case quantity of 1,500 ensures that you have ample supply for your projects, whether they are large-scale or small.

Key Product Features

The JFAST 31NR8B lock nuts are crafted with precision, featuring a 5/16-18 size and a black phosphate finish. This finish not only enhances the appearance of the nuts but also provides corrosion resistance, ensuring longevity even in harsh environments. The following features highlight the benefits of this product:
  • Grade 8 Material: The nuts are made from Grade 8 material, known for its high strength and resistance to deformation.
  • Serrated Flange Design: The serrated flange design provides increased grip and stability, reducing the risk of loosening over time.
The RoHS compliance ensures that these lock nuts meet environmental standards, making them a responsible choice for your projects.

Practical Uses and Benefits

These versatile lock nuts are suitable for a variety of applications, including automotive, industrial, and construction projects. The following list outlines some of the practical uses and benefits of the JFAST 31NR8B lock nuts:
  • Secure fastening in automotive components and accessories.
  • Robust hold in industrial machinery and equipment.
  • Reliable connection in construction and repair work.
With their exceptional quality and durability, these lock nuts are a must-have for professionals and DIY enthusiasts alike. The case quantity of 1,500 ensures that you have a convenient and cost-effective solution for your fastening needs.

What Our Customers Say

December 31, 2025

Absolutely no complaints!

This is a very nice and a quality product.

- Eleanor S..

December 31, 2025

Absolutely no complaints!

A very solid product, and well worth the cost.

- Kevin P..

December 31, 2025

Absolutely no complaints!

A very well-made gadget. I am very impressed.

- Diana M..

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