A tool is only as good as the material from which it is made. That's why AMAMCO only works with carbide that meets exacting standards. Each carbide vendor must pass a rigorous qualification process in order to be certified as an AMAMCO supplier. And each quarter, a percentage of qualified suppliers is selected for third party verification. This helps to assure you that the tools you purchase from AMAMCO are made from the very best materials, for the best possible performance and tool life.