6
Flanges of metal [collars]; Nuts [metal hardware]; Nuts, bolts and fasteners, of metal; Fixing devices of metal; Washers of metal; Screw threaded fasteners of metal; Nuts of metal; Metal goods for use in construction; Threaded nuts of metal; Pipe nuts of metal; Building materials of metal; Building and construction materials and elements of metal; Metal hardware; Screws of metal; Lock washers of metal; Fixing bolts of metal; Metallic mountings; Fixing plates of metal; Retaining [fixing] devices of metal; Sleeves [metal hardware]; Washers [metal hardware]; Shims
7
Linking devices [parts of machines]; Socket spanners [machines]; Screw extractors [machines]; Wrenches [machines]; Chucks [parts of machines]
8
Spanners [hand tools]; Adjustable spanners; Socket spanners; Nut drivers [hand tools]; Screw wrenches; Screwdrivers, non-electric; Monkey wrenches [hand-operated tools]
40
Metalworking; Metal treating; Custom 3D printing for others; 3D reproduction services; Custom manufacture of metal hardware; Processing of metal surfaces by abrasive polishing; Processing of metal surfaces using precision grinding techniques; Treatment and coating of metal surfaces; Treatment of metal parts to prevent corrosion; Treatment of metal parts to prevent corrosion using hot-dip galvanizing and powder coating processes; Drilling of metals; Hot dipping; Metal tempering; Metal finishing