Dorman Autograde Grade 8 Hex Head Cap Screw 5/16-18 x 1-1/4 Inch 50 Pack 197-112

Grade 8 hex head cap screws sized 5/16-18 x 1-1/4 inch used to replace worn or broken fasteners in automotive and industrial 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. They are engineered as direct-fit replacements designed to match OE form, fit, and function.

Key Features

• Constructed from Grade 8 steel for maximum tensile strength
• Hex head design allows for easy installation with standard tools
• Corrosion-tested to withstand harsh environmental conditions
• Precise thread pitch of 5/16-18 ensures secure fastening
• Length of 1-1/4 inch suits a wide range of mounting applications
• Validated through testing by professional engineers in the United States

Benefits

• Restores structural integrity to critical vehicle components
• Reduces the risk of repeat repairs caused by fastener failure
• Provides dependable performance under daily driving demands
• Ensures a smoother installation process with direct-fit sizing
• Offers long-lasting durability compared to standard hardware
• Delivers confidence through rigorous quality control standards

Application

Ideal for mechanics and DIY enthusiasts needing high-strength fasteners for suspension repairs, engine mounting, or general chassis assembly where Grade 8 specifications are required.

Fitment Notes

• Universal automotive and industrial application based on thread size and length
• Verify specific 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

• 50 Piece Pack of Cap Screws

Item Dimensions

• 4.9 inches x 3.7 inches x 2.2 inches
• Weight: 2.0 lbs