NAT

THREADED 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-NAMELY, BRIDGE RODS, TRUSS RODS AND TIE RODS, AND ALSO RODS WHICH ARE HEADED AT ONE END-NAMELY, STOVE RODS, LADDER RODS AND SEAT AND CHAIR RODS