TRAMEC Hill Fastener is well versed in the manufacture of metric fasteners! We can manufacture M5 through M16 diameter screws up to 150mm in length. We manufacture to all the metric standards (DIN, ISO ANSI/ASME, IFI, JIS, etc.). We manufacture Cl8.8, 9.8, 10.9, 12.9, and special metric classes including 90 and 100 for serrated hex flanges.