Dorman Autograde Hex Lock Nuts with Nylon Ring Grade 2 Thread Size 9/16-18 for Automotive Repair 251-015

Hex lock nuts with nylon ring grade 2 thread size 9/16-18 inch used to replace worn or missing fasteners in automotive assemblies.

Built to meet the manufacturer's design intent for reliable service, these nuts are manufactured using durable materials and corrosion tested to ensure required strength and longevity.

Key Features

• Grade 2 hex lock nut construction with integrated nylon ring
• Thread size 9/16-18 inch for precise fitment
• Corrosion tested for enhanced durability in harsh environments
• Engineered by professional engineers and quality control specialists in the United States
• Compatible with Papco 109-023, Rockford NIN-29, and HiTen Fasteners JXFS09

Benefits

• Prevents loosening caused by vibration during vehicle operation
• Restores factory-level security to critical bolted connections
• Reduces risk of repeat repairs through validated testing
• Ensures smoother installation with direct-fit OE form and function
• Provides long-lasting performance for daily driving demands

Application

Ideal for mechanics and DIY enthusiasts needing trustworthy replacement fasteners for suspension, engine, or chassis components where vibration resistance is critical.

Fitment Notes

• Universal automotive application for 9/16-18 inch threaded studs
• Verify thread pitch and diameter against original equipment before installation

Why Choose Dorman?

• Choosing Dorman aftermarket replacement parts is a smart way to restore your vehicle with confidence, thanks to a strong focus on fit, durability, and dependable performance.

What's in the Box

• 25 Piece bulk pack of hex lock nuts

Item Dimensions

• Package measures 4.9 inches x 3.7 inches x 2.2 inches
• Total package weight is 1.7 lbs