When it comes to assembling structures or machinery, fasteners like nuts, bolts, and screws are the underlying heroes that hold everything together. These components are essential for ensuring the stability and functionality of various projects, and they are often fabricated with markings and grades that provide valuable information about their strength, durability, and compatibility. Understanding these markings and grades is essential for anyone involved in construction, automotive repair, or DIY projects, and in this blog, we will provide all the relevant information to help you ensure that they are utilized for their intended applications.