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    333515 - Cutting Tool and Machine Tool Accessory Manufacturing

    When it comes to precision machining and metalworking, the role of cutting tools and machine tool accessories is paramount. Under the NAICS code 333515, businesses specialize in manufacturing these essential components that drive industrial operations across numerous sectors. Whether you’re a contractor, supplier, or industry professional, understanding this NAICS classification can unlock targeted opportunities in the manufacturing space.


    What is NAICS Code 333515?

    NAICS 333515 represents the Cutting Tool and Machine Tool Accessory Manufacturing industry. This classification includes establishments primarily engaged in producing specialized cutting tools and accessories for metalworking and machining processes.

    These products include:

    • Cutting tools such as drill bits, taps, milling cutters, and broaches
    • Machine tool accessories including tool holders, arbors, chucks, clamps, and collets
    • Other precision components like reamers, countersinks, and honing heads

    These tools are integral for shaping, cutting, and finishing metal and other materials in manufacturing facilities, automotive workshops, aerospace production, and beyond.


    Sector and Typical Business Activities

    Sector: Manufacturing

    As part of the greater manufacturing sector, businesses under NAICS 333515 focus on industrial tool production leveraging advanced machining, precision engineering, and metallurgical expertise.

    Typical Business Activities Include:

    • Manufacturing cutting tools such as drills, taps, milling cutters, and broaches
    • Producing machine tool accessories like tool holders, tool bits, and chucks
    • Designing and fabricating instruments for precision cutting and metal shaping
    • Supplying specialized components that improve machining efficiency and accuracy

    Size Standards for NAICS 333515

    To qualify as a small business in this industry for government contracting or SBA programs, the typical size standard is:

    • Maximum of 500 employees

    Companies up to this size may be eligible for small business set-asides and other supportive programs.


    Examples of Businesses Under NAICS 333515

    • A company manufacturing industrial drill bits and milling cutters for the automotive industry
    • A factory producing machine tool accessories such as tool holders, chucks, and clamps for metalworking shops
    • A precision tooling supplier fabricating broaches, reamers, and honing heads for aerospace component manufacturers

    NAICS 333515 Code Details Table

    Product / Service Type Description
    Angle rings Machine tool accessory manufacturing
    Arbors Machine tool accessory manufacturing
    Bits and knives for metalworking lathes, planers, shapers Manufacturing cutting bits and knives
    Bits, drill, metalworking Drill bit manufacturing
    Blanks, cutting tool Manufacturing raw cutting tool blanks
    Broaches Machine tool accessory manufacturing
    Cams Machine tool accessory manufacturing
    Chasers Machine tool accessory manufacturing
    Chucks Machine tool accessory manufacturing
    Clamps Machine tool accessory manufacturing
    Collars Machine tool accessory manufacturing
    Collets Machine tool accessory manufacturing
    Counterbores, metalworking Machine tool accessory manufacturing
    Countersinks Machine tool accessory manufacturing
    Cutters, metal milling Manufacturing metal milling cutters
    Dies and taps Machine tool accessory manufacturing
    Drill bits, metalworking Drill bit manufacturing
    Files Machine tool accessory manufacturing
    Hobs Manufacturing of metal gear cutting tools
    Honing heads Machine tool accessory manufacturing
    Hopper feed devices Machine tool accessory manufacturing
    Indexing, rotary tables Machine tool accessory manufacturing
    Inserts, cutting tool Manufacturing cutting tool inserts
    Knives and bits for metalworking lathes, planers, shapers Manufacturing cutting tools
    Letter pins Gauging and measuring tool manufacturing
    Machine knives, metal cutting Manufacturing specialized metal cutting knives
    Machine tool attachments and accessories Manufacturing additional tooling components
    Mandrels Machine tool accessory manufacturing
    Measuring attachments (e.g., sine bars) Manufacturing measuring components
    Pushers Machine tool accessory manufacturing
    Reamers Machine tool accessory manufacturing
    Sine bars Machine tool accessory manufacturing
    Taps and dies Machine tool accessory manufacturing
    Thread cutting dies Machine tool accessory manufacturing
    Toolholders Machine tool accessory manufacturing
    Tools and accessories for machine tools Manufacturing various machine tool components
    Tracer and tapering machine tool attachments Manufacturing specialized attachments

    Frequently Asked Questions (FAQs)

    What types of products are included under NAICS 333515?

    This code covers manufacturing of cutting tools (drill bits, taps, milling cutters) and machine tool accessories (chucks, tool holders, collets, reamers, etc.) used in metalworking and machining.

    Which sector does NAICS 333515 belong to?

    It belongs to the Manufacturing sector, specifically focused on industrial tooling and precision manufacturing.

    What is the employee size standard for a small business in this industry?

    A business with up to 500 employees qualifies as a small business under NAICS 333515.

    Can companies manufacturing precision cutting instruments for industrial use be classified here?

    Yes, if they primarily manufacture cutting tools and machine tool accessories related to metalworking, they fall under this NAICS code.

    How can understanding NAICS 333515 benefit my business?

    Knowing this classification helps in targeting government contracts, applying for small business programs, or identifying industry-specific market opportunities.


    Cutting tools and machine tool accessories are the unsung heroes behind efficient manufacturing. If your business specializes in these precision components, NAICS code 333515 is your gateway to the vast manufacturing sector and associated contracting opportunities. Stay armed with the right knowledge to unlock growth and competitive advantage in this dynamic arena!