wholesale nuts ISO, DIN, ANSI, BS, UNI, JIS, AS, GB, etc wholesale nuts standards of ISO, DIN, ANSI, BS, UNI, JIS, AS, GB, etc. Our main products are DIN934, DIN555, DIN6915, DIN6923, JIS B 1181, ISO4032, ISO 4034, A563, A453M, A194 2H, etc. Besides, nonstandard products are also manufactured according to customers drawings.