... nuts, threaded rod, anchor bolt, nail, other off-standard fasteners and following to the drawers of products, which are according to ... ASTM (America), DIN (Germany), GB (China), UNI, JIS (Japan), ISO and TCVN (Vietnam).1.Application:railways, highways, bridges, plants,etc. 2 ... Kg /mm 2 ) All the Bolts and Nuts of King Silkwary (KSK) Company have stable and reliable properties, as well as high ...