332721

Precision Turned Product Manufacturing

Manufacturing › Fabricated Metal Product Manufacturing › Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing

SBA Size Standard

500 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

33

Sector

Manufacturing

332

Subsector

Fabricated Metal Product Manufacturing

3327

Industry Group

Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing

332721

National Industry (This Code)

Precision Turned Product Manufacturing

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
This U.S. industry comprises establishments known as precision turned manufacturers primarily engaged in machining precision products of all materials on a job or order basis. Generally precision turned product jobs are large volume using machines, such as automatic screw machines, rotary transfer machines, computer numerically controlled (CNC) lathes, or turning centers.

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

500 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 332721

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Manufacturing metal bolts, nuts, screws, rivets, washers, and other industrial fasteners using machines, such as headers, threaders, and nut forming machines--are classified in U.S. Industry 332722, Bolt, Nut, Screw, Rivet, and Washer Manufacturing; and
Machining parts, known as machine shops--are classified in Industry 332710, Machine Shops.

How to Use NAICS 332721 in SAM.gov

NAICS code 332721Precision Turned Product Manufacturing — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 500 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 332721.

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Frequently Asked Questions

What is NAICS code 332721?

NAICS code 332721 is 'Precision Turned Product Manufacturing', classified under the Manufacturing sector (NAICS 33). This U.S. industry comprises establishments known as precision turned manufacturers primarily engaged in machining precision products of all materials on a job or order basis. Generally precision tur

What is the SBA small business size standard for NAICS code 332721?

The SBA defines a small business under NAICS code 332721 (Precision Turned Product Manufacturing) as one with 500 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 332721 in SAM.gov?

To register NAICS code 332721 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 332721 (Precision Turned Product Manufacturing) to your NAICS code list. You may designate one code as your Primary NAICS code.

Quick Actions

Related NAICS Codes

Other codes in Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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