Metric flange bolts, Full thread, Coarse (standard) thread

Also known as A-2 stainless, 18-8 is the most common grade of stainless steel for general use.

A low carbon steel for general use. A tempered medium carbon steel. Class 10.9 is stronger than class 8.8. It is commonly found in high strength automotive applications. Class 10.9 is similar to grade 8. Unplated finish.