Wear resistant coverings of metallic materials; Wear resistant linings of metallic materials; Wear resistant metal alloys; Blind bolt fasteners of metal; Industrial fasteners of metal; Metal bolts (fasteners); Threaded fasteners made of common metal; Screw threaded fasteners of metal; Metal nuts; Bolts of metal; Metal bolts (fasteners); Metal liners; Sheets and plates of metal; Coated metal plates; Cover plates of metal; Articles made of common metals for lifting loads; Lifting slings of metal for handling loads; Chutes of metal (other than parts of machines); Concealed fastening devices of metal; Metal fastenings for panels; Securing devices (fastenings) of metal for building purposes; Wear systems comprising wear resistant linings of metallic materials, metal nuts, and bolts of metal; Metal fasteners including those used in wear systems; Sacrificial wear resistant coverings of metallic materials and metal fasteners for securing same; Sacrificial wear resistant linings of metallic materials and metal fasteners for securing same