Dorman Autograde Grade 5 Hex Head Cap Screw 1/2-13 x 4 Inch for Automotive Repair 170-440

Grade 5 hex head cap screws 1/2-13 x 4 inch used to replace worn or missing fasteners in automotive chassis and engine applications.

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 wrenches
• Grade 5 classification provides high tensile strength for demanding jobs
• Thread size 1/2-13 with a 4 inch length for deep engagement
• Corrosion-tested to resist rust and environmental damage
• Engineered by professional engineers in the United States
• Package contains 25 pieces for multiple repair needs

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
• Provides long-lasting durability under daily driving demands
• Saves time with a direct-fit replacement solution

Application

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

Fitment Notes

• Universal automotive application based on thread size and grade requirements
• Verify thread pitch and length 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. 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

• 25 PC Grade 5 Hex Head Cap Screws

Item Dimensions

• 6.3in x 4.7in x 3.0in, 6.2lbs