LISI T-PROOF

Metal fasteners [hardware] particularly metal nuts, washers [metal hardware], metal screws, metal bolts; fastening systems of common metal

Bushing [tools]

Fasteners not of metal particularly nuts not of metal, washers not of metal, screws not of metal, fastening bolts not of metal; fasteners of plastic materials particularly nuts of plastic materials, washers of plastic materials, spring washers of plastic materials, screws of plastic materials, fastening bolts of plastic materials