These inserts are designed specifically for SUS and steel machining and are fully compatible with Throwaway Right-Hand Single-Edged, Straight-Edged, and Boring Tool Holders. Therefore, they provide reliable cutting performance in demanding stainless and carbon steel applications. Because they are equivalent to the inserts included with No. 66741, No. 66742, and No. 66743, they ensure seamless replacement and consistent machining quality. Moreover, their durable construction supports stable edge retention and efficient chip control, which results in improved surface finish and extended tool life. To replace the insert correctly and safely, a separate insert replacement tool No. 66751 is required. As a result, you maintain proper installation, secure clamping, and dependable cutting accuracy throughout steel processing operations.

Specifications