Key Auto Acc 0309194 9/16-18 Grade 8 Hex Bolt Zinc Plated

The Key Auto Acc 0309194 is a heavy-duty Grade 8 hex bolt designed for high-strength automotive and industrial fastening applications. This premium bolt features 9/16-18 threading and a durable zinc plating that provides excellent corrosion resistance.

Key Features:

• Grade 8 strength rating - one of the strongest fastener grades available for critical applications
• 9/16 inch diameter with 18 threads per inch (9/16-18 UNF thread)
• Hex head design for secure grip with standard wrenches and sockets
• Zinc plated finish for corrosion protection and extended service life
• Ideal for automotive suspension, chassis, engine, and drivetrain assemblies
• Meets SAE J429 Grade 8 specifications with minimum 150,000 PSI tensile strength

Grade 8 bolts are manufactured from medium carbon alloy steel, quenched and tempered for maximum strength. The distinctive six radial lines on the bolt head identify it as Grade 8. This fastener is suitable for high-stress applications where failure is not an option, including racing, off-road vehicles, heavy equipment, and performance builds.