Dorman Autograde Grade 5 Hex Head Cap Screw 1/2-13 x 2-1/4 Inch 50 Pack for Automotive Repair 170-422

Grade 5 hex head cap screws sized 1/2-13 x 2-1/4 inch used to replace missing or damaged 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. They are engineered as direct-fit replacements designed to match OE form, fit, and function.

Key Features

• Grade 5 classification provides high tensile strength for demanding applications
• Hex head design allows for easy installation with standard wrenches
• Corrosion-tested finish helps resist rust and environmental damage
• Precise 1/2-13 thread pitch and 2-1/4 inch length for accurate fitment
• Bulk 50-piece pack ensures ample supply for multiple repair jobs
• Validated through testing by professional engineers in the United States

Benefits

• Restores structural integrity to vehicle assemblies with factory-spec hardware
• Reduces the risk of repeat repairs caused by inferior or worn fasteners
• Saves time during installation with standard tool compatibility
• Provides long-lasting durability against daily driving demands and weather
• Offers cost-effective solution compared to dealer-only hardware purchases
• Ensures confidence in repair quality with trusted aftermarket engineering

Application

Ideal for mechanics and DIY enthusiasts needing reliable replacement bolts for suspension components, engine brackets, frame repairs, and general automotive assembly where Grade 5 strength is specified.

Fitment Notes

• Universal automotive application based on thread size and grade rather than specific vehicle model
• Verify required bolt length and thread pitch against your vehicle service manual before installation
• Compatible with various makes and models requiring 1/2-13 x 2-1/4 inch Grade 5 hardware

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 pieces of Dorman Autograde Grade 5 Hex Head Cap Screws

Item Dimensions

• Package measures 6.3 inches by 4.7 inches by 3.0 inches and weighs 7.5 lbs