... boltsmaterial:stainless steelsize:m10x80Specialized in manufacturing fasteners such as bolts,screws,studs,nuts,washers,threaded Rods,pins,rivets, ... Grade 2, 5 and 8.7. Various nuts, flat gaskets, spring washers, mechanical bolts, tapping screws, fibreboard screws and ... of "creating first class enterprise and manufacturing high quality bolts" and brand concept of "science and technology serves people ...