... high-temperature springs and bolts. Alloy X-750 is used in gas turbines, rocket engines, nuclear reactors, pressure ... VIM-VAR melt method. Equalized, centerless ground or rough turned. Lengths: 10-12 feet 1 ... type: Bolt: M3-M64 hexagonal head, hex socket head, CSK,flange boltNut: M3-M64 hexagonal, ... JIS and BS, etc.4.Packing : Plywood case or wooden box5.Exported countries:United States, Germany, Saudi ...