✨ Get 20% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Last Chance Jfast 37nrbz - 3/8-16 Serrated Flange Hex Lock Nuts Case Hardened Hr15n 78/90 Black Zinc And Bake, Case Quantity: 1,000 In Multiple Colors [uTNIykYi]

$47.99 $153.99 -69%

JFAST 37NRBZ Lock Nuts: High-Performance Hardware SolutionIntroducing the JFAST 37NRBZ - 3/8-16 Serrated Flange Hex Lock Nuts, a top-tier hardware solution designed for applications requiring exceptional durability and reliability. These case-hardene

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

JFAST 37NRBZ Lock Nuts: High-Performance Hardware Solution

Introducing the JFAST 37NRBZ - 3/8-16 Serrated Flange Hex Lock Nuts, a top-tier hardware solution designed for applications requiring exceptional durability and reliability. These case-hardened lock nuts are crafted from high-quality steel, offering superior strength and resistance to wear. With their black zinc and bake finish, they provide excellent corrosion resistance, making them ideal for a wide range of environments. The JFAST 37NRBZ lock nuts are engineered to ensure a secure fit, preventing loosening even under the most demanding conditions.
  • High-strength steel construction for superior durability
  • Black zinc and bake finish for enhanced corrosion resistance
  • Serrated flange design for a secure grip and resistance to vibration

Technical Specifications and Features

The JFAST 37NRBZ lock nuts are meticulously engineered to meet the highest industry standards. These lock nuts come in a 3/8-16 size, making them versatile for various applications. They are case hardened HR15N, ensuring a long service life and reducing the risk of failure. The black zinc finish not only provides corrosion resistance but also improves the nut's overall aesthetics. Additionally, these lock nuts are available in a case quantity of 1,000, making them an economical choice for bulk purchases.
  • Size: 3/8-16
  • Material: Steel
  • Finish: Black Zinc and Bake
  • Case Quantity: 1,000

Practical Applications and Benefits

The JFAST 37NRBZ lock nuts are ideal for numerous industrial and everyday applications. Their robust construction and corrosion-resistant finish make them perfect for use in automotive, construction, and general mechanical applications. The serrated flange design ensures a secure fit and minimizes the risk of loosening due to vibration, which is a common issue in high-stress environments. Whether you are working on a home improvement project or managing a large-scale industrial operation, these lock nuts offer the reliability and performance you need.
  • Perfect for automotive, construction, and general mechanical applications
  • Minimizes loosening due to vibration, ensuring a secure fit
  • Long-lasting and cost-effective solution for a variety of projects

What Our Customers Say

January 1, 2026

Absolutely no complaints!

The best decision that I've made this month.

- Valentina A..

January 1, 2026

Absolutely no complaints!

It's a very slick and a very quality product.

- Edward C..

January 1, 2026

Absolutely no complaints!

It performs its duties with flair.

- Isla P..

Write a Review

You Might Also Like

Discover more great products from our collection.

TEC Don Surfboard

TEC Don Surfboard

(925)
$57.99 $185.99 -69%
Casque Supertech M10 Solid ECE

Casque Supertech M10 Solid ECE

(371)
$58.99 $188.99 -69%
Contractor Envelope

Contractor Envelope

(250)
$32.99 $105.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY