Dorman Autograde Grade 5 Hex Head Cap Screw 5/16-18 x 1/2 Inch 100 Pack 170-105

Grade 5 hex head cap screws sized 5/16-18 x 1/2 inch used to replace worn or missing 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 automotive use
• Thread specification is 5/16-18 with a 1/2 inch length
• Corrosion-tested to withstand harsh underhood environments
• Bulk pack contains 100 pieces for multiple repair jobs
• Engineered and quality controlled by specialists in the United States

Benefits

• Restores structural integrity to components secured by original fasteners
• Reduces the risk of repeat repairs caused by bolt failure or rust
• Ensures a precise direct-fit replacement matching OE form and function
• Provides cost-effective solution with a high-count bulk package
• Delivers dependable performance under daily driving demands
• Offers peace of mind with trustworthy quality backed by professional engineering

Application

Ideal for mechanics and DIY enthusiasts needing reliable replacement hardware for engine bays, chassis components, and interior assemblies where specific Grade 5 fasteners are required.

Fitment Notes

• Universal automotive hardware suitable for various makes and models requiring 5/16-18 x 1/2 inch Grade 5 bolts
• Verify thread pitch and length against original equipment specifications 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 Grade 5 Hex Head Cap Screws

Item Dimensions

• 3.7in x 2.4in x 2.2in, 2.2lbs