Hunan Boyun-Dongfang Powder Metallurgy Co., Ltd
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Tungsten Carbide hexil 40° ungrind Rods Length 330mm for Drilling tools
Our rods have different grade and right to use on different application; Specially we are produce the Nano Grain carbide (Grain＜0.2µm); Our rods are with high hardness and wear/corrosion resistance, all products with stable quality;
l Dimension: diameter from 6-20mm, length 330mm;
l with 30° helix holes rods;
Grade Information
| Grade | Co% | Grain Size of WC | Hardness |
Hardness |
Density | Flexural Strength | Fracture Toughness |
Elastic Mod- ulus | Coefficient of Thermal Expansion |
| HRA | HV30 | g/cm³ | MPa | GPa | MNm-3/2 | 0-6/℃ | |||
| ST15D | 9 | Sub-Micron | 91.2 | 1520 | 14.4 | 3500 | 13 | 500 | 5.3 |
| Diameter | Length | Hole Spacing | Hole size | |||||||||||||||
| D(mm) | 公差 | L(mm) | Tolance | TK(mm) | Tolance | d(mm) | Tolance | “P (±0.5°)” |
amax(mm) | |||||||||
| 6.3 | +0.9/+1.3 | 330 | +0/+5 | 1.40 | +0/-0.40 | 0.40 | ±0.15 | 22.46 -0.39/+0.40 | 0.15 | |||||||||
| 6.3 | +0.9/+1.3 | 330 | +0/+5 | 2.20 | +0/-0.40 | 0.50 | ±0.15 | 22.46 -0.39/+0.40 | 0.15 | |||||||||
| 7.3 | +0.9/+1.3 | 330 | +0/+5 | 2.40 | +0/-0.40 | 0.70 | ±0.15 | 26.21 -0.46/+0.47 | 0.15 | |||||||||
| 8.3 | +0.9/+1.3 | 330 | +0/+5 | 1.70 | +0/-0.20 | 0.40 | ±0.10 | 29.95 -0.53/+0.54 | 0.15 | |||||||||
| 8.3 | +0.9/+1.3 | 330 | +0/+5 | 2.70 | +0/-0.60 | 0.65 | ±0.15 | 29.95 -0.53/+0.54 | 0.15 | |||||||||
| 9.3 | +0.9/+1.3 | 330 | +0/+5 | 3.20 | +0/-0.60 | 0.75 | ±0.15 | 33.70 -0.59/+0.60 | 0.20 | |||||||||
| 10.3 | +0.9/+1.3 | 330 | +0/+5 | 2.10 | +0/-0.20 | 0.50 | ±0.10 | 37.44 -0.66/+0.67 | 0.20 | |||||||||
| 10.3 | +0.9/+1.3 | 330 | +0/+5 | 3.50 | +0/-0.80 | 0.80 | ±0.15 | 37.44 -0.66/+0.67 | 0.20 | |||||||||
| 11.3 | +0.9/+1.3 | 330 | +0/+5 | 3.70 | +0/-0.80 | 0.80 | ±0.15 | 41.18 -0.72/+0.74 | 0.28 | |||||||||
| 12.3 | +1.1/+1.5 | 330 | +0/+5 | 2.50 | +0/-0.40 | 0.60 | ±0.10 | 44.93 -0.79/+0.80 | 0.30 | |||||||||
| 12.3 | +1.1/+1.5 | 330 | +0/+5 | 4.20 | +0/-0.80 | 0.90 | ±0.20 | 44.93 -0.79/+0.80 | 0.30 | |||||||||
| 13.3 | +1.1/+1.5 | 330 | +0/+5 | 4.40 | +0/-0.80 | 0.90 | ±0.15 | 48.67 -0.85/+0.87 | 0.34 | |||||||||
| 14.3 | +1.1/+1.5 | 330 | +0/+5 | 2.90 | +0/-0.40 | 0.70 | ±0.10 | 52.42 -0.92/+0.94 | 0.37 | |||||||||
| 14.3 | +1.1/+1.5 | 330 | +0/+5 | 4.70 | +0/-0.80 | 1.00 | ±0.20 | 52.42 -0.92/+0.94 | 0.37 | |||||||||
| 15.3 | +1.1/+1.5 | 330 | +0/+5 | 5.10 | +0/-0.80 | 1.10 | ±0.20 | 56.16 -0.99/+1.01 | 0.40 | |||||||||
| 16.3 | +1.1/+1.5 | 330 | +0/+5 | 3.30 | +0/-0.40 | 0.80 | ±0.10 | 59.90 -1.05/+1.07 | 0.40 | |||||||||
| 16.3 | +1.1/+1.5 | 330 | +0/+5 | 5.50 | +0/-0.80 | 1.20 | ±0.20 | 59.90 -1.05/+1.07 | 0.40 | |||||||||
| 18.3 | +1.1/+1.5 | 330 | +0/+5 | 3.70 | +0/-0.40 | 0.90 | ±0.15 | 67.39 -1.18/+1.21 | 0.50 | |||||||||
| 18.3 | +1.1/+1.5 | 330 | +0/+5 | 6.30 | +0/-0.80 | 1.40 | ±0.25 | 67.39 -1.18/+1.21 | 0.50 | |||||||||
| 20.3 | +1.1/+1.5 | 330 | +0/+5 | 4.10 | +0/-0.40 | 1.00 | ±0.15 | 74.88 -1.31/+1.34 | 0.50 | |||||||||
| 20.3 | +1.1/+1.5 | 330 | +0/+5 | 7.10 | +0/-1.00 | 1.50 | ±0.25 | 74.88 -1.31/+1.34 | 0.50 | |||||||||