aisi-304	c-70	f-114	c-10
flat	din-433 nf-25514		din-125 8.8 din-125 10.9	standard stripd. din-125 a din-126 din-7349 din-1440 din-1441 din-440 (r-v) nf.-25513
conical	din-2093 din-6796	din-2093 din-6796 nf-25510
conical contact		nf-25511
corrugated		a-b 137
kombi		din-6904 din-6908 c-225880		din-6902 din-6903
others	din-6799	din-6799 safety washers for shafts. star shaped spring washer.		din-470 plug disks din-988 adjustment washers din-7603 seal rings