1. hex head bolts Like DIN933,DIN931,DIN558,DIN601,ANSI/ASTM,BSW ETC. with class 4.8,6.8,10.9 grade 2&5 etc. 2. washers like DIN127B,DIN7980,JIS1251,ANSIB,DIN125A,DIN9021,DIN440, DIN7989,DIN126,DIN6916,DIN7349,DIN436,NFE-25513,USS,UAE,BS4320 TYPE A,B,C,D,E,F,G ETC. even special flat washers as drawings or samples 3. hex nuts like DIN934,ETC. contact:Ann Luo
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