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

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 2 national industries under 33272 (Turned Product and Screw, Nut, and Bolt Manufacturing).

Code	332722
Title	Bolt, Nut, Screw, Rivet, and Washer Manufacturing
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	600 employees

Official definition (2022 NAICS)

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.

Is a business under 332722 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 332722 qualifies as a small business if it does not exceed 600 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.

Where 332722 sits in the hierarchy

Level	Code	Title
Sector	31-33	Manufacturing
Subsector	332	Fabricated Metal Product Manufacturing
Industry Group	3327	Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing
NAICS Industry	33272	Turned Product and Screw, Nut, and Bolt Manufacturing
National Industry	332722	Bolt, Nut, Screw, Rivet, and Washer Manufacturing

Related SIC codes

Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.

SIC code	Title
3429	Hardware, Not Elsewhere Classified
3452	Bolts, Nuts, Screws, Rivets, and Washers

Related National Industry codes

• 332721 — Precision Turned Product Manufacturing

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.