2022 NAICS national industry in sector 31-33 Manufacturing
333515 Cutting Tool and Machine Tool Accessory Manufacturing
NAICS 333515 is the US industry code for cutting tool and machine tool accessory manufacturing. This U.S.
- Code
- 333515 (2022 NAICS)
- Title
- Cutting Tool and Machine Tool Accessory Manufacturing
- Part of
- Metalworking Machinery Manufacturing
- SBA small business limit
- Up to 500 employees
- Closest UK SIC
- 25930, 28220 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
This U.S. industry comprises establishments primarily engaged in manufacturing accessories and attachments for metal cutting and metal forming machine tools.
Examples Census gives
- 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
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- 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.
Activities listed under 333515
The Census index assigns these 37 activities to this code. If your business matches one, this is your code.
- Angle rings (i.e., a machine tool accessory) manufacturing
- Arbors (i.e., a machine tool accessory) manufacturing
- Bits and knives for metalworking lathes, planers, and shapers manufacturing
- Bits, drill, metalworking, manufacturing
- Blanks, cutting tool, manufacturing
- Broaches (i.e., a machine tool accessory) manufacturing
- Cams (i.e., a machine tool accessory) manufacturing
- Chasers (i.e., a machine tool accessory) manufacturing
- Chucks (i.e., a machine tool accessory) manufacturing
- Clamps (i.e., a machine tool accessory) manufacturing
- Collars (i.e., a machine tool accessory) manufacturing
- Collets (i.e., a machine tool accessory) manufacturing
- Counterbores (i.e., a machine tool accessory), metalworking, manufacturing
- Countersinks (i.e., a machine tool accessory) manufacturing
- Cutters, metal milling, manufacturing
- Dies and taps (i.e., a machine tool accessory) manufacturing
- Drill bits, metalworking, manufacturing
- Files (i.e., a machine tool accessory) manufacturing
- Hobs (i.e., metal gear cutting tool) manufacturing
- Honing heads (i.e., a machine tool accessory) manufacturing
- Hopper feed devices (i.e., a machine tool accessory) manufacturing
- Indexing, rotary tables (i.e., a machine tool accessory) manufacturing
- Inserts, cutting tool, manufacturing
- Knives and bits for metalworking lathes, planers, and shapers manufacturing
- Letter pins (e.g., gauging, measuring) manufacturing
- Machine knives, metal cutting, manufacturing
- Machine tool attachments and accessories manufacturing
- Mandrels (i.e., a machine tool accessory) manufacturing
- Measuring attachments (e.g., sine bars) for machine tool manufacturing
- Pushers (i.e., a machine tool accessory) manufacturing
- Reamers (i.e., a machine tool accessory) manufacturing
- Sine bars (i.e., a machine tool accessory) manufacturing
- Taps and dies (i.e., a machine tool accessory) manufacturing
- Thread cutting dies (i.e., a machine tool accessory) manufacturing
- Toolholders (i.e., a machine tool accessory) manufacturing
- Tools and accessories for machine tools manufacturing
- Tracer and tapering machine tool attachments manufacturing
SBA size standard for 333515
To count as a small business for SBA loans and federal contracts under NAICS 333515, your business (including affiliates) must not exceed 500 employees. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 2593, 2822), so treat them as a starting point and check the definition.
- 25930Manufacture of wire products, chain and springsUK SIC
- 28220Manufacture of lifting and handling equipmentUK SIC
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Similar codes to compare
Data last changed November 14, 2026. How this page is built.