
| ISO range | K05-K10 | K05-K10 | K05-K10 | K20-K30 | K20-K30 | K30-K40 | K30-K40 | |
| WC+other | % | 93.7 | 93 | 92 | 91 | 89.4 | 86.5 | 86.5 |
| Co | % | 6 | 6 | 8 | 8 | 10 | 12 | 12 |
| WC grain size | μm | 0.6 | 0.4 | 0.4 | 0.8 | 0.6 | 0.6 | 0.4 |
| density | g/㎝³ | 14.9 | 14.75 | 14.62 | 14.65 | 14.42 | 14.15 | 14.05 |
| hardness | Hv30 | 1850 | 1890 | 1850 | 1700 | 1620 | 1700 | 1750 |
| HRA | 93.5 | 93.8 | 93.5 | 92.5 | 92.2 | 92.5 | 92.8 | |
| transverse rupture strength | N/mm² | 3800 | 3000 | 4000 | 3000 | 4200 | 4000 | 4200 |
| Non-coated Grade | Application | |||||||
| 6% Co | Reamer, for machining grey cast iron nonferrous metal, hardening steel, chilled iron, with high wear resistance. | |||||||
| 8% Co | Drills and taps, for machining grey cast iron, nonferrous metal, with good wear resistance. | |||||||
| 10% Co | It's widely used for milling tools, good performance of wearability bending strength, and toughness. | |||||||
| 12% Co | High-speed milling tools, for machining steel and high silicon-aluminum alloy, with perfect wear resistance, bending strength, and toughness. | |||||||
| The other grades are available. Please let us know the usage and workpiece, then we can recommend the most suitable grade for you. | ||||||||

| LXD | L | D |
| 330X4 | 4 | 330 |
| 330X6 | 6 | 330 |
| 330X8 | 8 | 330 |
| 330X10 | 10 | 330 |
| 330X12 | 12 | 330 |
| 330X14 | 14 | 330 |
| 330X16 | 16 | 330 |
| 330X18 | 18 | 330 |
| 330X20 | 20 | 330 |
| 330X22 | 22 | 330 |
| 330X24 | 24 | 330 |
| 330X26 | 26 | 330 |
1. Manufacture solid carbide tools.
2. Machining materials such as plain steel, cast iron, stainless steel, heat-resistant steel, nickel-based and titanium alloy.
3. Make twist drill, end mill, tap, gundrill and other general tool materials.
