This range of ceramic nuts, bolts and washers are suitable for applications where high temperature, high voltages, magnetism or harsh conditions greatly limit or prohibit the use of other materials. The ceramic fasteners are of high purity, fully dense and impervious. The standard product range includes alumina hexagonal head bolts in metric sizes from M2 to M8, along with their matching nuts and washers. Different headstyles or special lengths as well as inch threaded fasteners and other materials such as zirconia, metals and polymers can often be supplied, upon request.