... 250 DIN933 stainless steel nuts 1)Size and type: Bolt: M3-M64 hexagonal head, hex socket headNut: M3-M64 hexagonal, wing/butterfly nutThreaded ... nuts with all sizes are also available. 2.Materials option: Stainless Steel C276, 904L, 304, 304L,310S, 316, 316L, 321, 317L ... ,Super duplex stainless steel F55, F51,F53 HastelloyB&C, Inconel, Incoloy etc. 3.Standards ...