Rock bolts of metal; nuts, bolts and threaded fasteners, of metal; screws of metal; expansion bolts and fastenings being threaded fasteners of metal; expansion bolts and expandable fixing devices being extendable bolts of metal for boreholes; threaded bolts of metal; anchor bolts of metal for construction and building; anchor plates of metal for construction and building; steel tubes; ferrules of metal for construction and building; reinforcing materials of metal for building; reinforcement b...