Monster Bolts - Fastener news

Metric Bolt Grades — 12.9 vs 10.9 vs 8.8 (Plus A2-70, A4-80)
Metric bolt “classes” describe minimum strength. The first number (~tensile strength/10) and the decimal (~yield ratio) tell you a lot. Example: ...

Common Fastener Screw Terms explained
A quick walkthrough of the easier to understand screw fastener terms and a bit longer breakdown of some of the easier to overlook, but incredibly important items like DIN and ISO usage and Metric size and pitch for the vast majority of metric screw ranges.