BOLTS, NUTS, RIVETS, SCREWS, TACKS, COTTER PINS, FLAT SPRING KEYS USED IN SLOTTED BOLTS, NAILS, SCREW MACHINE PRODUCTS-((SPECIFICALLY, METAL BUSHINGS,)) METAL SLEEVES, SPECIAL THREADED BOLTS, SPECIAL NUTS, AND METAL INSERTS FOR PLASTICS, STUDS, PIPE PLUGS, ((AND RODS CONSISTING OF THREADED FASTENERS WHICH ARE NORMALLY THREADED AT BOTH ENDS SUCH AS BRIDGE RODS, TRUSS RODS, AND TIE RODS, AND ALSO RODS WHICH ARE HEADED AT ONE END SUCH AS STOVE RODS, LADDER RODS, AND SEAT AND CHAIR RODS)) AND RODS THREADED ON ONE OR BOTH ENDS