[ Bolts, not of metal; Collars, not of metal, for fastening pipes; Dowels not of metal; Locks, not of metal, for vehicles; ] Nuts, not of metal; [ Rivets, not of metal; Screws, not of metal; Non-metal bolts; ] Non-metal fasteners, namely, bolts, nails, rivets, screws [ ; Non-metal pegs; Non-metal cotter pins ]