Dorman Autograde Grade 5 Hex Head Cap Screw 5/16-24 x 4-1/2 Inch for Automotive Repair 175-145

Grade 5 hex head cap screws sized 5/16-24 x 4-1/2 inch used to replace worn or broken fasteners in automotive repairs.

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

Key Features

• Hex head design allows for easy installation with standard tools
• Grade 5 classification provides medium carbon steel strength
• Thread size is 5/16-24 with a length of 4-1/2 inches
• Corrosion-tested to withstand harsh underhood environments
• Engineered by professional engineers in the United States
• Comes in a bulk pack of 25 pieces for multiple applications

Benefits

• Restores structural integrity to critical vehicle components
• Reduces the risk of repeat repairs caused by fastener failure
• Ensures a secure fit that matches OE form and function
• Saves time with a direct-fit replacement that requires no modification
• Provides dependable performance for daily driving demands
• Offers cost-effective solution compared to dealer-only parts

Application

Ideal for mechanics and DIY enthusiasts needing high-strength fasteners for suspension, engine, or chassis repairs where Grade 5 specifications are required.

Fitment Notes

• Universal automotive part designed for various makes and models
• Verify thread pitch and length requirements 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 Grade 5 hex head cap screws

Item Dimensions

• Package measures 5.5 inches by 4.0 inches by 2.3 inches
• Total package weight is 2.7 lbs