Posts Tagged: bolt grades

Bolt Grades Chart

What are bolt grades for U.S. and Metric bolts Most people think of a bolt’s strength in terms of when it breaks. But that’s the last step in the process. If you look at the bolt grades chart below, you’ll see that the first step in bolt stretch is its proof load. Then comes it yield and then its tensile strength Understanding bolt “strength” terms You may think steel bolts are solid, stiff, or rigid. They’re not. It has a certain amount of elasticity. In other words, a bolt stretches … Read More