Dorman Hex Bolt Grade 8 5/16" 18x3" 960-630D

Hex bolt Grade 8 5/16" 18x3" for automotive repair by Dorman used to replace worn or failing factory bolts.

Built to meet the manufacturer’s design intent for reliable service.

Key Features

• Grade 8 steel construction
• 5/16" diameter, 18 thread pitch, 3" length
• Durable materials and corrosion-tested
• Manufactured in the United States by professional engineers
• Quality control specialists ensure consistent performance

Benefits

• Reliable strength for critical fastening applications
• Long-lasting durability with resistance to corrosion
• Consistent fit and function for easy installation
• Trusted quality backed by Dorman’s engineering team

Application

This bolt is ideal for mechanics and DIY enthusiasts replacing bolts on automotive assemblies where high strength and reliability are required.

Fitment Notes

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

• 3 PC

Item Dimensions

• 1.1in x 1.6in x 4.4in, 0.2lbs