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0.6μm Grain size Unground carbide rods for cutting High-speed milling tools
| ISO | Grain size | Cobalt | Density | Hardness | T.R.S | k1C | Applications |
| Code | μm | % | g/cm3 | HRA | N/mm2 | Mpa.m1/2 | |
| 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. |
Specification:
Unground Diameter: 16.3mm +0.5
Length 330mm +5mm or as required
ISO grade K40
Grain size: 0.6μm
Applications:
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

| General tolerance for the raw sintered solid carbide rods | |||||||
| Diameter | Tolerance | Length | Tolerance | Straightness | Tolerance | ||
| 0,5- 3,5 | +0,25/+0,35 | <100.0 | +0.5/+1.0 | 0,6-4 | 0,10 | ||
| 4,0- 6,0 | +0,25/+0,40 | 100.0-165.0 | +1.0/+2.5 | 4,5-8 | 0,12 | ||
| 6,5-12,0 | +0,30/+0,45 | 165.0-335.0 | +1.0/+6.0 | 8,5-12,0 | 0,15 | ||
| 12,5-16,0 | +0,35/+0,50 | 12,5 - 20 | 0,20 | ||||
| 16,5- 22,0 | +0,40/+0,55 | ≥20,5 | 0,24 | ||||
| 22,5-45,0 | +0,45/+0,60 | ||||||
Description:

| Diameter mm | Length mm | Diameter mm | Length mm | |||||
| D | Tolerance | Length | Tol. | D | Tolerance | Length | Tol. | |
| 1.16 | -0/+0.15 | 330 | 0/+0.5 | 16.20 | -0/+0.45 | 330 | 0/+0.5 | |
| 1.65 | 330 | 0/+0.5 | 17.20 | 330 | 0/+0.5 | |||
| 1.80 | 330 | 0/+0.5 | 18.20 | 330 | 0/+0.5 | |||
| 2.20 | -0/+0.20 | 330 | 0/+0.5 | 19.20 | 330 | 0/+0.5 | ||
| 2.70 | 330 | 0/+0.5 | 20.20 | 330 | 0/+0.5 | |||
| 3.25 | 330 | 0/+0.5 | 21.20 | -0/+0.55 | 330 | 0/+0.5 | ||
| 3.70 | 330 | 0/+0.5 | 22.20 | 330 | 0/+0.5 | |||
| 4.20 | 330 | 0/+0.5 | 23.20 | 330 | 0/+0.5 | |||
| 4.70 | 330 | 0/+0.5 | 24.2 | 330 | 0/+0.5 | |||
| 5.20 | -0/+0.25 | 330 | 0/+0.5 | 25.2 | -0/+0.65 | 330 | 0/+0.5 | |
| 5.70 | 330 | 0/+0.5 | 26.2 | 330 | 0/+0.5 | |||
| 6.20 | 330 | 0/+0.5 | 28.2 | 330 | 0/+0.5 | |||
| 6.70 | 330 | 0/+0.5 | 30.2 | 330 | 0/+0.5 | |||
| 7.20 | -0/+0.35 | 330 | 0/+0.5 | 32.2 | 330 | 0/+0.5 | ||
| 7.70 | 330 | 0/+0.5 | ||||||
| 8.20 | 330 | 0/+0.5 | ||||||
| 8.70 | 330 | 0/+0.5 | ||||||
| 9.20 | 330 | 0/+0.5 | ||||||
| 9.70 | 330 | 0/+0.5 | ||||||
| 10.20 | 330 | 0/+0.5 | ||||||
| 10.70 | 330 | 0/+0.5 | ||||||
| 11.20 | 330 | 0/+0.5 | ||||||
| 11.70 | 330 | 0/+0.5 | ||||||
| 12.20 | 330 | 0/+0.5 | ||||||
| 12.70 | 330 | 0/+0.5 | ||||||
| 13.20 | 330 | 0/+0.5 | ||||||
| 13.70 | 330 | 0/+0.5 | ||||||
| 14.20 | 330 | 0/+0.5 | ||||||
| 14.70 | 330 | 0/+0.5 | ||||||
| 15.20 | 330 | 0/+0.5 | ||||||
| 15.70 | 330 | 0/+0.5 | ||||||
Grades for tungsten carbide rods:


