High Tensile Bolts 

Grade 8.8 high tensile steel bolts is often referred to as the structural grade for bolts. It is the most common form of high tensile material and is usually stocked in plain finish or zinc. 8.8 grade is often referred to as the structural grade for bolts. These types of bolts often have galvanized hexagon heads, and most are made with zinc or are zinc plated. These bolts are an important part of many home improvement projects, auto manufacturing and repairs, and other projects.
Choosing the right industrial fasteners to offer can be difficult, however, especially if you are thinking of offering high tensile bolts. There are several different grades you should be aware of because each grade defines what a bolt is capable of being used for.