| ISO | Grain size | Cobalt | Density | Hardness | T.R.S | k1C | Applications |
| Code | μm | % | g/cm3 | HRA | N/mm2 | Mpa.m1/2 |
| K01 | 0.5 | 3 | 15.1 | 94.5 | 2200 | - | For the cutting of the timber such as shaving board, laminated board, density board, compound material etc. |
| K10 | 0.5 | 6 | 14.8 | 94 | 3800 | 8.7 | Ultra-fine grain size, with good wear resistance, higher wear-resistant end mills, engraving tool, and high mirror polished cutting tools are recommended, suitable for processing Aluminum-magnesium alloy, composite sheet, PCB, plastic, CFRP etc. |
| K20 | 0.8 | 8 | 14.65 | 92.5 | 3200 | - | Sub-fine grain size, for drills and taps, for machining Grey cast iron, nonferrous metal, with good wear resistance. |
| K10-K20 | 0.2 | 9 | 14.45 | 94 | 4200 | 9.2 | Nano grain size, with high wear resistance and toughness, suitable for finishing of hardened steel, high-precision and high-mirror processing of graphite, plastic, CFRP, stainless steel, and aluminum alloy. Suitable for making 0.3-0.5mm drills. |
| K40 | 0.8 | 10 | 14.45 | 91.8 | 3800 | 10.5 | Sub-fine grain size, processing by medium speed, good general performance, drill bits, and end mills are recommended, suitable for cutting ordinary alloy steel, aluminum alloy, heat resistant alloy, cast iron etc. |
| K40 | 0.6 | 10 | 14.45 | 92.2 | 4000 | 10.7 | Ultra-fine grain size, excellent heat resistance, suitable for high-speed milling and drilling, especially suit for making overall drill bits. Suitable to process alloy steel, heat-resistant alloy, cast iron, non-ferrous metals, stainless steel and other materials. |
| K40-K50 | 0.4 | 12 | 14.12 | 92.5 | 4200 | 10.2 | Ultra-fine grain size, with good wear-resistant and toughness, especially suitable for finishing and processing alloy steel, aluminum alloy, titanium alloy, etc. Suitable for making end mills and reamer. |
| K40-K50 | 0.8 | 15 | 13.98 | 89.6 | 4500 | 13.8 | Sub-fine grain size, with good wear resistance and toughness, suitable for making punching of mold, anti-vibration boring bar, and machining low-hardness material with deep cutting tools. |
