Dorman Autograde Grade 5 Hex Head Cap Screw 5/16-18 x 1-1/4 Inch for Automotive Repair 170-112

Grade 5 hex head cap screws sized 5/16-18 x 1-1/4 inch used to replace missing or damaged 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 wrenches
• Grade 5 classification provides medium tensile strength for general applications
• Thread size is 5/16-18 with a length of 1-1/4 inches
• Corrosion-tested to withstand harsh underhood environments
• Engineered by professional engineers in the United States
• Available in a bulk pack of 100 pieces for multiple repairs

Benefits

• Restores structural integrity to components secured by original fasteners
• Reduces the risk of repeat repairs caused by weak or rusted bolts
• Ensures a secure fit that matches OE form and function
• Saves time with a direct-fit replacement that requires no modification
• Provides long-lasting durability for daily driving demands
• Offers cost-effective solution with a high-count bulk package

Application

Ideal for mechanics and DIY enthusiasts needing reliable hardware for engine assemblies, suspension components, or general vehicle maintenance where specific Grade 5 fasteners are required.

Fitment Notes

• Universal automotive application based on thread size and grade rather than specific vehicle model
• 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

• 100 PC

Item Dimensions

• 4.9in x 3.7in x 2.2in, 3.5lbs