Aluminium, Brass, Bronze, Cast Iron, Copper, Silver Steel, Stainless Steel, Engineering Plastics and Exotic Materials.rnEN24T High Tensile Steel, 2014 (HE15) High Tensile Aluminium (Dural),Colsibro and ColphosrnMany imperial sizes are now becoming very difficult to obtain and may become unavailable.rnIf you do not find what you are looking for please contact us to discuss your requirements.