Dorman Autograde Hex Lock Nuts with Nylon Ring Grade 2 Thread Size 5/16-18 for Automotive Repair 250-011

Hex lock nuts with nylon ring grade 2 thread size 5/16-18 used to replace worn or missing fasteners in automotive and general repair applications.

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. They are engineered as direct-fit replacements designed to match OE form, fit, and function.

Key Features

• Thread size 5/16-18 inches for precise fitting
• Grade 2 classification for standard strength requirements
• Integrated nylon ring prevents loosening from vibration
• Corrosion tested for extended service life
• Hex head design allows for easy installation with standard tools
• Manufactured by Dorman Autograde for consistent quality

Benefits

• Secures components firmly to prevent rattling or failure
• Reduces the risk of repeat repairs due to loose fasteners
• Restores vehicle safety and structural integrity
• Provides a cost-effective solution compared to dealer parts
• Ensures smoother installation with direct-fit engineering
• Offers peace of mind with backing from US-based engineers

Application

Ideal for mechanics and DIY enthusiasts needing reliable locking nuts for suspension, engine bay, or chassis repairs where vibration resistance is critical. Suitable for general automotive maintenance and industrial fastening tasks requiring Grade 2 specifications.

Fitment Notes

• Universal fitment for applications requiring 5/16-18 thread size
• Verify thread pitch and diameter against original equipment before installation
• Compatible with various makes and models using this standard fastener size

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. Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function, helping ensure a smoother installation and reliable results. Built with quality materials and validated through testing, they're made to stand up to daily driving demands and help reduce the risk of repeat repairs. For a long-lasting fix you can trust, Dorman delivers proven aftermarket solutions that keep your vehicle operating the way it should.

What's in the Box

• 50 Piece bulk pack of hex lock nuts

Item Dimensions

• Package measures 3.6 inches x 2.4 inches x 2.2 inches
• Total package weight is 0.6 lbs