Establishments primarily engaged in manufacturing miscellaneous metal products usually termed hardware, not elsewhere classified. Establishments primarily engaged in manufacturing bolts and nuts are classified in Industry 3452; those manufacturing nails and spikes are classified in Major Group 33, those manufacturing cutlery are classified in Industry 3421; those manufacturing handtools are classified in Industry 3423; and those manufacturing pole line and transmission hardware are classified in Industry Group 364.

• Andirons
• Angle irons, hardware
• Animal traps, iron and steel except wire
• Bellows, hand
• Brackets iron and steel
• Builders hardware, including locks and lock sets
• Cabinet hardware, including locks and lock sets
• Car seals, metal
• Casket hardware
• Casters, industrial
• Chain fittings
• Chair glides
• Clamps, hose
• Clamps, metal
• Couplings, hose
• Crab traps, steel: except wire
• Cuffs, leg iron
• Door bolts and checks
• Door locks and lock sets
• Door opening and closing devices except electrical
• Dzus fasteners
• Fireplace equipment (hardware)
• Furniture hardware, including casters
• Gun trigger locks
• Handcuffs
• Harness hardware
• Hinge tubes
• Hinges
• Horse bits
• Ice chests or coolers, portable, except insulated foam plastics
• Key blanks
• Keys
• Ladder jacks, metal
• Locks and lock sets except safe, vault and coin-operated
• Locks, trigger, for guns
• Luggage hardware
• Luggage racks, car top
• Marine hardware
• Metal fasteners, spring and cold-rolled steel, not made in rolling mills
• Motor vehicle hardware
• Nozzles, fire fighting
• Nut crackers and pickers, metal
• Organ hardware
• Padlocks
• Parachute hardware
• Piano hardware
• Pulleys, metal except power transmission equipment
• Rope fittings
• Saddlery hardware
• Sleeper mechanisms, for convertible beds
• Suitcase hardware, including locks
• Tackle blocks, metal
• Thimbles, wire rope
• Time locks
• Trimmings, trunk metal
• Trunk hardware, including locks
• Turnbuckles
• Utility carriers, car top
• Vacuum bottles and jugs
• Vehicle hardware aircraft, automobile, railroad, etc