333515

Cutting Tool and Machine Tool Accessory Manufacturing

Manufacturing › Machinery Manufacturing › Metalworking Machinery Manufacturing

SBA Size Standard

500 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

33

Sector

Manufacturing

333

Subsector

Machinery Manufacturing

3335

Industry Group

Metalworking Machinery Manufacturing

333515

National Industry (This Code)

Cutting Tool and Machine Tool Accessory 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 primarily engaged in manufacturing accessories and attachments for metal cutting and metal forming machine tools. Illustrative Examples: Knives and bits for metalworking lathes, planers, and shapers manufacturing Measuring attachments (e.g., sine bars) for machine tool manufacturing Metalworking drill bits manufacturing Taps and dies (i.e., machine tool accessories) manufacturing

✓ 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 333515

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:

Establishments primarily engaged in manufacturing saw blades, handsaws, and accessories and attachments for saw blades and for nonpowered metal cutting and forming handtools are classified in U.S. Industry 332216, Saw Blade and Handtool Manufacturing.

How to Use NAICS 333515 in SAM.gov

NAICS code 333515Cutting Tool and Machine Tool Accessory 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 Metalworking Machinery 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 333515.

Log in Entity Registration Goods & Services Add NAICS Code Enter 333515 Save

Frequently Asked Questions

What is NAICS code 333515?

NAICS code 333515 is 'Cutting Tool and Machine Tool Accessory Manufacturing', classified under the Manufacturing sector (NAICS 33). This U.S. industry comprises establishments primarily engaged in manufacturing accessories and attachments for metal cutting and metal forming machine tools. Illustrative Examples: Knives and bits f

What is the SBA small business size standard for NAICS code 333515?

The SBA defines a small business under NAICS code 333515 (Cutting Tool and Machine Tool Accessory 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 333515 in SAM.gov?

To register NAICS code 333515 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 333515 (Cutting Tool and Machine Tool Accessory Manufacturing) to your NAICS code list. You may designate one code as your Primary NAICS code.

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Related NAICS Codes

Other codes in Metalworking Machinery Manufacturing

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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