Bolt snaps of metal; Closures of metal for containers; Fittings of metal for beds; Fittings of metal for flexible pipes; Fittings of metal for pipes; Fittings of metal for windows; Furniture fittings of metal; Metal bonding fasteners for mounting and demounting of ceiling and wall panels; Metal hardware, namely, nuts; Metal hardware, namely, washers; Metal screws; Metal shims; Metal turnbuckles; Nuts of metal; Ring-shaped fittings of metal