332722 — Bolt, Nut, Screw, Rivet, and Washer Manufacturing
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.
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 Code | 332722 |
|---|---|
| Industry Title | Bolt, Nut, Screw, Rivet, and Washer Manufacturing |
| SBA Size Standard | 600 employees |
| U.S. Establishments | 721 (Census CBP, 2023) |
| IRS PBA Code | 332700 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 332 → 3327 |
| Source / Verified | US Census 2022 NAICS Manual, Census CBP / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3429 - Hardware, NEC (via SIC1987:3429→NAICS1997:332722→2002:332722→2007:332722→2012:332722→2017:332722→2022:332722)
- SIC 3452 - Bolts, Nuts, Screws, Rivets, and Washers (via SIC1987:3452→NAICS1997:332722→2002:332722→2007:332722→2012:332722→2017:332722→2022:332722)
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)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 332722:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 3327
Frequently Asked Questions (FAQ)
Is 332722 a valid 2022 NAICS code?
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.
What is the SBA size standard for NAICS 332722?
The SBA small business size standard for NAICS 332722 is 600 employees (based on employees).
What is the legacy SIC code mapping for 332722?
NAICS code 332722 maps to the legacy 1987 SIC codes: 3429 - Hardware, NEC, 3452 - Bolts, Nuts, Screws, Rivets, and Washers.