General indexable hole processing grades
Wear-resistant carbide substrate with PVD coating. The combination of different substrates and coatings is suitable for most processing conditions of indexable holes
- Feature
| Grade | Color | Coating composition | Features |
| GM3225 | Purple gray |  |
•High Co fine grain carbide substrate with the newly upgraded AITiN coating, provides excellent wear resistance and collapse resistance, can be used for a variety of cutting speeds and feed machining.
•Applicable to steel, stainless steel, cast iron general processing. |
| GM3220 | Bronze |  |
•New double nanostructure PVD coating, with high Co subfine crystalline hard alloy substrate,improve wear resistance and red hardness.
•Suitable for continuous – slight discontinuous – medium discontinuous conditions, stainless steel, mild steel low speed processing. |
| GA4230 | Fuchsia |  |
•PVD TiAN coating combined with high damage resistance of the hard alloy substrate, has excellent heat resistance and crack resistance, to achieve stable processing under different working conditions. |
| GS4130 | Purple gray |  |
•The latest nano TiAIN coating with high toughness micrograined carbide substrate, achieve good wear resistance and toughness.
•Suitable for unstable steel conditions and difficult to process materials. |
| GPD7115 | Purple gray |  |
•High strength and toughness of subfine crystalline carbide substrate with a new nano composite multilayer PVD coating, bringing excellent wear resistance and red hardness. Special surface treatment can effectively inhibit the formation of debris nodules.
•Suitable for medium and low speed processing of steel. |
