| ISO Grade | Co% | Density(g/cm3) | Hardness | Bending Strength(N/mm2) | Grain Size(μm) | |
| HV30 (kg/mm2) |
HRA (ISO3738) |
|||||
|
K05-K10
|
6 | 14.8 | 1860 | 93.5 | 3800 | <0.5 |
| K05-K10 | 6 | 14.9 | 1510 | 91.4 | 3000 | 1.0 |
| k20-K30 | 8 | 14.6 | 1700 | 92.7 | 3800 | 0.8 |
| K30 | 8 | 14.8 | 1300 | 89.6 | 2500 | 1.2 |
| K20-K30 | 10 | 14.5 | 1600 | 92.1 | 3800 | 0.7 |
| K20-K30 | 12 | 14.1 | 1680 | 92.6 | 3800 | <0.5 |
| K40 | 15 | 14 | 1330 | 90 | 3800 | 0.8 |
| K40 | 20 | 13.5 | - | 85 | 2900 | 1.2 |
Solid Rods (Metric) 330mm
| Unground | h6 |
L |
Tol. |
Unground | h6 |
L |
Tol. |
||
| D | Tol. | D | Tol. | ||||||
| Ø2.2 | +0.3/+0 | 2.0 | 330 | +5/+0 | Ø17.2 | +0.3/+0 | 17 | 330 | +5/+0 |
| Ø3.2 | +0.3/+0 | 3.0 | 330 | +5/+0 | Ø18.2 | +0.3/+0 | 18 | 330 | +5/+0 |
| Ø4.2 | +0.3/+0 | 4.0 | 330 | +5/+0 | Ø19.2 | +0.3/+0 | 19 | 330 | +5/+0 |
| Ø5.2 | +0.3/+0 | 5.0 | 330 | +5/+0 | Ø20.2 | +0.3/+0 | 20 | 330 | +5/+0 |
| Ø6.2 | +0.3/+0 | 6.0 | 330 | +5/+0 | Ø21.2 | +0.3/+0 | 21 | 330 | +5/+0 |
| Ø7.2 | +0.3/+0 | 7.0 | 330 | +5/+0 | Ø22.2 | +0.3/+0 | 22 | 330 | +5/+0 |
| Ø8.2 | +0.3/+0 | 8.0 | 330 | +5/+0 | Ø23.2 | +0.3/+0 | 23 | 330 | +5/+0 |
| Ø9.2 | +0.3/+0 | 9.0 | 330 | +5/+0 | Ø24.2 | +0.3/+0 | 24 | 330 | +5/+0 |
| Ø10.2 | +0.3/+0 | 10.0 | 330 | +5/+0 | Ø25.2 | +0.3/+0 | 25 | 330 | +5/+0 |
| Ø11.2 | +0.3/+0 | 11.0 | 330 | +5/+0 | Ø26.2 | +0.3/+0 | 26 | 330 | +5/+0 |
| Ø12.2 | +0.3/+0 | 12.0 | 330 | +5/+0 | Ø27.2 | +0.3/+0 | 27 | 330 | +5/+0 |
| Ø13.2 | +0.3/+0 | 13.0 | 330 | +5/+0 | Ø28.2 | +0.3/+0 | 28 | 330 | +5/+0 |
| Ø14.2 | +0.3/+0 | 14.0 | 330 | +5/+0 | Ø29.2 | +0.3/+0 | 29 | 330 | +5/+0 |
| Ø15.2 | +0.3/+0 | 15.0 | 330 | +5/+0 | Ø30.2 | +0.3/+0 | 30 | 330 | +5/+0 |
| Ø16.2 | +0.3/+0 | 16.0 | 330 | +5/+0 | |||||
Two straight coolant ducts rods, Reduced TK
| Unground | Ground h6 |
TK |
Tol. |
D |
Tol. |
L |
a |
|
D |
Tol. |
|||||||
| 6.3 | +0.3/0 |
6.0 | 1.5 | 0/-0.20 | 0.80 | ±0.15 |
330 |
0.15 |
| 7.3 | 7.0 | 1.5 | 0.80 | 0.15 | ||||
| 8.3 | 8.0 | 2.6 | 0/-0.30 |
1.00 | 0.15 | |||
| 9.3 | 9.0 | 2.6 | 1.00 | 0.20 | ||||
| 10.3 | 10.0 | 2.6 | 1.00 | 0.20 | ||||
| 11.3 | +0.4/0 |
11.0 | 3.5 | 1.20 | 0.28 | |||
| 12.3 | 12.0 | 3.5 | 1.20 | 0.30 | ||||
| 13.3 | 13.0 | 3.5 | 1.20 | 0.34 | ||||
| 14.3 | 14.0 | 5.0 | 1.50 | 0.37 | ||||
| 15.3 | 15.0 | 5.0 | 1.50 | 0.40 | ||||
| 16.3 | 16.0 | 5.0 | 1.50 | ±0.20 |
0.40 | |||
| 17.3 | +0.5/0 |
17.0 | 6.2 | 2.00 | 0.47 | |||
| 18.3 | 18.0 | 6.2 | 2.00 | 0.50 | ||||
| 19.3 | 19.0 | 6.2 | 2.00 | 0.50 | ||||
| 20.3 | 20.0 | 6.2 | 0/-0.40 | 2.00 | ±0.30 | 0.50 | ||
30° Two Helical Coolant Ducts(Type HE-30°)
| Unground | Ground h6 |
L Tol. +5.0 |
TK |
Tol. |
D |
Tol. |
Pitch |
|
| D | Tol. | |||||||
| 6.3 | +0.4/+1.0 |
6.0 | 330 | 2.7 | ±0.2 |
0.80 | ±0.15 |
32.65 |
| 7.3 | 7.0 | 330 | 3.5 | 1.00 | 38.09 | |||
| 8.3 | 8.0 | 330 | 3.4 | 1.00 | 43.53 | |||
| 9.3 | 9.0 | 330 | 4.5 | ±0.3 | 1.40 | 48.97 | ||
| 10.3 | 10.0 | 330 | 4.8 | 1.30 | 54.41 | |||
| 11.3 | +0.4/+1.2 |
11.0 | 330 | 4.9 | ±0.4 |
1.40 | 59.86 | |
| 12.3 | 12.0 | 330 | 6.3 | 1.70 | 65.30 | |||
| 13.3 | 13.0 | 330 | 6.1 | 1.75 | ±0.20 |
70.74 | ||
| 14.3 | 14.0 | 330 | 6.7 | 1.80 | 76.18 | |||
| 15.3 | 15.0 | 330 | 7.3 | 1.75 | 81.82 | |||
| 16.3 | +0.4/+1.4 |
16.0 | 330 | 8.0 | 2.00 | 87.06 | ||
| 17.3 | 17.0 | 330 | 8.5 | 1.75 | ±0.25 |
92.50 | ||
| 18.3 | 18.0 | 330 | 9.0 | 2.30 | 97.95 | |||
| 19.3 | 19.0 | 330 | 9.7 | 2.00 | 103.39 | |||
| 20.3 | 20.0 | 330 | 10.0 | ±0.5 | 2.50 | 108.83 | ||
Application: Main used for making varioius drill bits, automobile special cutter, printed circuit board, special cutters, engine special cutters, horologe, processing special cutters, integral vertical milling cutter, graver and etc.
Besides, they can be used for making of cemented carbide stamping head,core bar & perforation tools.
