Sale!
Premium KORLOY 1-02-021871 – CNMG643-B25 NC3030, 80° Diamond, Indexable Carbide Turning / Boring Insert
Original price was: $66.69.$34.68Current price is: $34.68.
For orders under $150.00, a shipping fee of $12.99 applies.
Applications
Cutting speeds range from 427 to 820 sfm, feeds from 0.012 to 0.024 in/rev, and depths of cut up to 0.315 in. This insert is optimized for medium to low-speed roughing with general to interrupted cutting conditions. It is designed primarily for ISO P25-P35 steel and secondarily for M25-M35 stainless steel. The negative rake chipbreaker and 80° diamond shape make it well suited for robust interrupted cuts and medium to rough turning operations, but it is not recommended for precision finishing or profiling.
Features
- 80° Diamond Shaped Indexable Inserts.
- Versatile and dependable, “C” shaped inserts are one of the most popular shapes in the industry.
- Negative inserts can provide up to 8 cutting edges, four 80° cutting edges and four 100° cutting edges (seperate holder needed to utilize 100° cutting edge).
- The 100° cutting edges are ideal for facing operations.
- Available in multiple chipbreakers & grades.




![Limited Offer YG1 22002814 - [Designation], 80°Rhombic, Indexable Solid Carbide Turning / Boring Insert](https://www.toolingwarehouse.com/wp-content/uploads/2026/SKHWTA0BG5Z-US-1787312129-22-900-699-300x450.webp)
