Understanding Markings and Grades on Nuts and Bolts

Understanding nut and bolt grades can help you choose the right fastener for your project and avoid costly damage. Here’s a guide to help you out.

How do I determine bolt grades?

WHAT DOES THE MEAN OF 4.8 ON BOLTS

What Are Metric Bolt Grades? - Mould Clamps Manufacturer

Bolt head markings (nuts too, SAE, ASTM)

What Are the Different Grades of Bolts?

Fasteners: Can nuts and bolts be safely reused?

EZ Bolt Grade Markings

Bolt Depot - Bolt Grade Markings and Strength Chart, PDF, Strength Of Materials

Understanding Metric Bolt & Screw Grades — & Head Markings!

Marsh Fasteners on LinkedIn: 5 Types of Fasteners You Need to Have

What's the meaning of this? (bolt markings)

Grade 8 vs 10.9 High Tensile bolts