The data published with NAICS code 332722 include the following SIC industry:
3452 Bolts, nuts, rivets, and washers
This definition comes from the 1997 NAICS manual. However, for this industry, the 1997 Economic Census Manufacturing did not fully implement the conversion to NAICS. Data for NAICS industry 332722 do not include establishments primarily engaged in the manufacture of turnbuckles and hose clamps. The NAICS definitions will be fully implemented with the 2002 Economica Census.