Supal Tools is one of the leading manufacturers of carbide cutting tools in Changzhou city, Jiangsu Province, specializing in a wide range of carbide cutting tools such as Square end mills, Corner-radius end mills, Ball end mills, Roughing end mills, Miniature end mills, Drills, Reamers, High-speed cutting tools as well as other accessories of CNC Machining Equipment.. etc.
| HRC | Grade | Density | Hardness | Co Content | Grain Size | Bending Strength |
| g/cm3 | HRA | % | um | N/mm2 | ||
| 45 HRC | YG10X | 14.5 | 91.5 | 10 | 0.8 | 2800 |
| 55 HRC | ZK30UF | 14.5 | 92 | 10 | 0.6 | 3000 |
| 65 HRC | GU25UF | 14.5 | 93 | 12 | 0.4 | 4000 |
Coating
| Coatings | Hardness | Thickness | Friction Coefficient | Oxidation Temp | Color |
| HV | um | ||||
| AlTiN | 3500 | 2.5-3 | 0.3 | 900 | Black |
| TiAlN | 2800 | 2.5-3 | 0.3 | 900 | Violet |
| TiSiN | 3600 | 3 | 0.45 | 1000 | Copper |
| AlTiSiN | 4000 | 3 | 0.4 | 1200 | Blue |
| TiN | 2500 | 2-3 | 0.5 | 600 | Gold |




