rounded hex nut
6. Material M8 nuts can be made from a variety of materials, including steel, stainless steel, brass, and nylon. The choice of material influences the nut's strength, corrosion resistance, and overall performance in different environments.
It is important to consider not only the initial cost of the anchor bolts but also their long-term value. High-quality anchor bolts may be more expensive upfront but can provide better performance and longevity, ultimately saving money in the long run by reducing the need for frequent replacements and maintenance.