NAICS UNIVERSITY · Free research for insurance agents
Cutting Tool and Machine Tool Accessory Manufacturing
NAICS 333515 · United States · 2022 edition
This U.S. industry comprises establishments primarily engaged in manufacturing accessories and attachments for metal cutting and metal forming machine tools.
Start the review with products liability.
For Cutting Tool and Machine Tool Accessory Manufacturing, the saved research highlights products liability, employee injuries, industrial property. Confirm how these arise in the actual operation, what controls are used and whether additional services change the proposed coverage.
Questions to ask
- What specific product lines are manufactured — drill bits, taps and dies, milling inserts, measuring attachments, or other tooling?
- What industries do end customers operate in — general machining, aerospace, automotive, medical, defense?
- What percentage of revenue comes from export or international sales?
- Are any heat-treating, plating, or chemical finishing operations performed on-site?
- What is the prior products liability loss history, including any claims related to tooling failures at customer sites?
- Are there any known concentrations of high-value production machinery or inventory?
- For Cutting Tool and Machine Tool Accessory Manufacturing, what should the underwriter know about products supplied into aerospace, defense, medical device, or nuclear applications where tooling failure consequences are severe?
- For Cutting Tool and Machine Tool Accessory Manufacturing, what should the underwriter know about prior products liability or completed-operations losses tied to tooling failures in customer operations?
Activities described by this code
- 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
Other activities to examine
Census classification reference
For educational purposes only. AI-generated insurance research and automated logic can contain errors. Independently verify classification and coverage decisions.
Compare another operationInsurance operations research — draft
These establishments manufacture cutting tools and accessories used in metalworking operations — including drill bits, taps, dies, lathe and planer bits, milling inserts, and measuring attachments such as sine bars. Production typically involves precision machining, grinding, and heat-treating of hardened metals. Finished goods are generally sold through industrial distributors or directly to manufacturers and machine shops.
Questions to investigate
- What specific product lines are manufactured — drill bits, taps and dies, milling inserts, measuring attachments, or other tooling?
- What industries do end customers operate in — general machining, aerospace, automotive, medical, defense?
- What percentage of revenue comes from export or international sales?
- Are any heat-treating, plating, or chemical finishing operations performed on-site?
This insurance research was generated in April 2026. It has not received a complete human review. The October 12, 2026 audit checked codes and titles only, not descriptions or coverage assertions.