3399 Primary Metal Products, Not Elsewhere Classified
- Aluminum atomized powder
- Balls, steel
- Brads, nonferrous metal (including wire)
- Flakes, metal
- Iron powdered
- Laminating steel for the trade
- Nails, nonferrous metal (including wire)
- Paste, metal
- Powder, metal: except artists' materials
- Reclaiming ferrous metals from clay
- Recovery of iron ore from open hearth slag
- Silver powder, except artists' materials
- Spikes, nonferrous metal (including wire)
- Staples, nonferrous metal (including wire)
- Tacks, nonferrous metal (including wire)

