... bolt,bolt,hex bolt 1.made of the steel 2.no-standard 3.high quality 4.favrourable price stainless steel hex ... bolt,hex bolt,bolt.1.made of the steel2.no-standard3.high quality4.favrourable price 5.surface treatment,as customes ... ,the balance against copy b/l12.Quality garantee of ISO9001........................ no standard bolt,steel hex bolt,stainless steel hex bolt