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Low Price Jfast 38nrb - 3/8-24 Serrated Flange Hex Lock Nuts Case Hardened Hr15n 78/90 Black Oxide, Case Quantity: 1,000 Risk-free Trial [1mAn38TN]

$33.99 $108.99 -69%

JFAST 38NRB Lock Nuts - High Performance SolutionIntroducing the JFAST 38NRB - 3/8-24 Serrated Flange Hex Lock Nuts, a premium case hardened HR15N lock nut designed for superior performance and reliability. These nuts are engineered with a unique ser

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Low Price Jfast 38nrb - 3/8-24 Serrated Flange Hex Lock Nuts Case Hardened Hr15n 78/90 Black Oxide, Case Quantity: 1,000 Risk-free Trial [1mAn38TN]

JFAST 38NRB Lock Nuts - High Performance Solution

Introducing the JFAST 38NRB - 3/8-24 Serrated Flange Hex Lock Nuts, a premium case hardened HR15N lock nut designed for superior performance and reliability. These nuts are engineered with a unique serrated flange design that provides maximum grip and prevents loosening due to vibration. With a case quantity of 1,000, they are the perfect choice for large-scale projects where durability and quality are paramount. Their black oxide finish not only enhances their appearance but also provides corrosion resistance, ensuring long-lasting performance in various environments.

Product Specifications and Benefits

The JFAST 38NRB lock nuts are crafted from high-quality steel, ensuring they are robust and resilient under heavy loads. Each nut is case hardened to HR15N, providing excellent wear resistance and extending the product's lifespan. The black oxide finish is RoHS compliant, adhering to strict environmental standards and ensuring the nuts are safe for use in sensitive applications. Key features include:
  • Size: 3/8-24, making them versatile for a wide range of fastening requirements.
  • Material: Steel, ensuring high tensile strength and durability.
These lock nuts are designed to prevent rotation and provide a secure fastening solution in both indoor and outdoor applications.

Applications and Target Audience

Whether you are working on an industrial project or a home improvement task, the JFAST 38NRB lock nuts offer practical benefits. Their robust design and high-performance characteristics make them ideal for applications where vibration and torque are concerns. Target audiences include engineers, construction professionals, mechanics, and DIY enthusiasts who require reliable fastening solutions. These nuts are perfect for use in the automotive industry, heavy machinery, construction equipment, and general maintenance projects. With their superior quality and corrosion resistance, the JFAST 38NRB lock nuts are a must-have for any professional or DIYer seeking a high-performance lock nut solution.

What Our Customers Say

January 26, 2026

Absolutely no complaints!

This is a very, very, very, very good quality buy.

- Aled T..

January 26, 2026

Absolutely no complaints!

A great product that is so very, very well-designed.

- Tegwen W..

January 26, 2026

Absolutely no complaints!

It’s a very fine item. And a very great purchase.

- Jestin V..

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