... ISO, DIN hex nut ( A194-2H): Our company are specilized in the manufacture of different kinds of standard ... , BS, UNI, JIS, AS, GB, etc. Our main products are DIN934, DIN555, DIN6915, DIN6923, JIS B 1181, ... , A194 2H, etc. Besides, nonstandard products are also manufactured according to customers drawings.Specification:M6-M30 ... S" S 8 , S10, S 181 etc. meantime our customer head mark (just say " N 181, N ...