Automotive Fastener Strengths/Grade Classes - Auto Fasteners

Here is how you can determine the strength or grade class of automotive fasteners using bolts as an example

Different Bolt Grades & Bolt Grades Chart - Runsom Precision

Dorman Hex Bolt - Class 10.9 - M12-1.25 X 25mm 981-625 - Advance Auto Parts

Blogs & Infographics - Rogo Fastener Co., Inc.

Different Bolt Grades and Their Applications - Wilson-Garner

Tech 101 - Identifying and replacing automotive hardware

Guide to bolt grades and applications

Grade 8 vs 10.9 High Tensile bolts

Different Grades of High Tensile Bolts - Wrights Auto Supplies

A few common screw head types and what they are used for - UC Components, Inc.

Exploring the Benefits of Grade 5 Coated Fasteners

What Are the Different Grades of Bolts?

Prince Fastener:Top 20 Automotive Fastener Suppliers -Prince Fastener