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Fastener Guides

Make the right choice with our selection guides. Learn about grades, finishes, thread types, and best practices for your application.

Grade 5 vs Grade 8 Bolts: Complete Guide

The most common question we get. Learn when to use each grade, how to identify them, and why using the wrong grade can be dangerous.

When to use each grade, strength differences, head markings, and common applications.

Compare corrosion resistance, cost, and best uses for each finish type.

Measurement varies by head type. Learn the correct way to measure hex bolts, carriage bolts, and socket caps.

When to use each washer type, SAE vs USS sizing, and hardened washer applications.

Read the head markings to identify Grade 2, 5, 8, and metric class bolts.

Coarse vs fine thread: when to use each, identification, and common applications.

Choosing the right finish for decks, fencing, and exterior projects in Georgia humidity.

Why stainless bolts seize and how to prevent it with lubricants and proper torque.

Still have questions?

Our team can help you select the right fasteners for your project.