... flange nuts(DIN6923), hex slotted nuts(DIN935) and so on.WASHER:(M3-M64),include flat washer(DIN125A ... JIS, ANSI, Non-standard 2) Materials option: Stainless steel C276 904L,304,304L,316,316L.310S, 321, 317L. ... 254SMO,AL6XN, 1.4501 , 1.4529,Super duplex stainless steel F55 ,F51 ,F53 HastelloyB&C Inconel, Incoloy Etc3) ... in PalletAccording to customers' requirements stainless steel bolts 304 and 304L