333515 — Cutting Tool and Machine Tool Accessory Manufacturing
Description
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
Overview Facts
| NAICS Code | 333515 |
|---|---|
| Industry Title | Cutting Tool and Machine Tool Accessory Manufacturing |
| SBA Size Standard | 500 employees |
| U.S. Establishments | 1,060 (Census CBP, 2023) |
| IRS PBA Code | 333510 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 333 → 3335 |
| 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 3545 - Cutting Tools, Machine Tool Accessories, and Machinist Precision Measuring Devices (via SIC1987:3545→NAICS1997:333515→2002:333515→2007:333515→2012:333515→2017:333515→2022:333515)
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 3414 — Gear Cutting and Finishing Machines
- PSC 3455 — Cutting Tools for Machine Tools
- PSC 3456 — Cutting and Forming Tools for Secondary Metalworking Machinery
- PSC 3460 — Machine Tool Accessories
- PSC 5133 — Drill Bits, Counterbores, and Countersinks; Hand and Machine
- PSC 5136 — Taps, Dies, and Collets; Hand and Machine
- PSC 5210 — Measuring Tools, Craftsmen's
- PSC 5220 — Inspection Gages and Precision Layout Tools
- PSC 5280 — Sets, Kits, and Outfits of Measuring Tools
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 333515:
- 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 3335
Frequently Asked Questions (FAQ)
Is 333515 a valid 2022 NAICS code?
NAICS 333515 is 'Cutting Tool and Machine Tool Accessory Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 500 employees.
What is the SBA size standard for NAICS 333515?
The SBA small business size standard for NAICS 333515 is 500 employees (based on employees).
What is the legacy SIC code mapping for 333515?
NAICS code 333515 maps to the legacy 1987 SIC codes: 3545 - Cutting Tools, Machine Tool Accessories, and Machinist Precision Measuring Devices.