Registry · NAICS Index · Sector 31-33

332722 — Bolt, Nut, Screw, Rivet, and Washer Manufacturing

NAICS 332722 is 'Bolt, Nut, Screw, Rivet, and Washer Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 600 employees (defined under 13 CFR § 121.201).

Description

This U.S. industry comprises establishments primarily engaged in manufacturing metal bolts, nuts, screws, rivets, washers, and other industrial fasteners using machines, such as headers, threaders, and nut forming machines (as defined in the official U.S. Census Bureau 2022 NAICS Manual).

Exclusions & Cross-References

  • Manufacturing precision turned products--are classified in U.S. Industry 332721, Precision Turned Product
  • Manufacturing; and
  • Manufacturing plastics fasteners--are classified in U.S. Industry 326199, All Other Plastics Product
  • Manufacturing.

Overview Facts

NAICS Structure: 332722 National Industry
Sector (2)
31-33
Manufacturing
Subsector (3)
332
Fabricated Metal Product Manufacturing
Industry Group (4)
3327
Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing
Industry (5)
33272
Turned Product and Screw, Nut, and Bolt Manufacturing
National Industry (6)
332722
Bolt, Nut, Screw, Rivet, and Washer Manufacturing

Legacy SIC Concordance

Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.

Suggested Product Service Codes (Advisory)

The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.

  • PSC 3448 — Riveting Machines
  • PSC 5305 — Screws
  • PSC 5306 — Bolts
  • PSC 5307 — Studs
  • PSC 5310 — Nuts and Washers
  • PSC 5315 — Nails, Machine Keys, and Pins
  • PSC 5320 — Rivets
  • PSC 5325 — Fastening Devices

Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)

Frequently Asked Questions (FAQ)

Is NAICS code 332722 valid in 2022? ▾

Yes, 332722 is a valid 6-digit 2022 NAICS national industry code representing 'Bolt, Nut, Screw, Rivet, and Washer Manufacturing' under Sector 31-33 in the official classification index.

What is the SBA size standard for NAICS code 332722? ▾

The Small Business Administration (SBA) has established a small business size standard of 600 employees for NAICS code 332722 (Bolt, Nut, Screw, Rivet, and Washer Manufacturing), calculated based on employees.

What is the legacy SIC equivalent for NAICS 332722? ▾

According to official Census Bureau concordance tables, NAICS code 332722 (Bolt, Nut, Screw, Rivet, and Washer Manufacturing) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 3429 - Hardware, NEC, 3452 - Bolts, Nuts, Screws, Rivets, and Washers.

Related Pages & Tools

Further regulatory reference links for NAICS code 332722: