Description
A dart is made up by the point, barrel, shaft, and flight.
As we know, the barrel forms the main part of a dart, which is the key factor of determining weight and quality. Nowadays, tungsten-based heavy alloy billets are widely used as the standard barrel material, for it has a specific gravity of 19.3(20℃), making it a very dense material by volume. Besides, it has superior wear-resistance, ease of machinability, etc.
Today’s standard material for barrels is tungsten heavy alloy. Due to its many special properties, tungsten is widely replacing brass. Because of technical difficulties with manufacturing, a 100% tungsten dart is not available. All “tungsten” darts you can buy are in fact made of tungsten heavy alloys.
We can supply tungsten heavy alloy billets by various sizes and contents, popularly 70~90% tungsten is used for making both soft-tip and steel tip barrels, ranging from 14~18 gram and 18~40 gram respectively, and sometimes, 65% and 95~97%. We offer the following as per customers’ specific requests.
| Billet Size
[Ø(+0.05)×(+1.0)mm]
|
Content of W (%) | |||||||
| 65 | 70 | 80 | 85 | 90 | 95 | |||
| Density (+/-0.25g/cc) | ||||||||
| 13.20 | 13.90 | 15.40 | 16.00 | 16.90 | 18.00 | |||
| No. | inch | mm | Weight (+/-0.50g/pc) | |||||
| 1 | Ø1/4×1.7 | Ø6.35×43.2 | 18.04 | 19.00 | 21.05 | 21.87 | 23.10 | 24.61 |
| 2 | Ø1/4×1.8 | Ø6.35×45.7 | 19.09 | 20.10 | 22.27 | 23.14 | 24.44 | 26.03 |
| 3 | Ø1/4×1.9 | Ø6.35×48.3 | 20.18 | 21.25 | 23.54 | 24.46 | 25.83 | 27.51 |
| 4 | Ø1/4×2.00 | Ø6.35×50.8 | 21．22 | 22.35 | 24.76 | 25.72 | 27.17 | 28.94 |
| 5 | Ø1/4×2.15 | Ø6.35×54.6 | 22.81 | 24.02 | 26.61 | 27．65 | 29.20 | 31.10 |
| 6 | Ø0.265×1.7 | Ø6.73×43.2 | 20.27 | 21.34 | 23.46 | 24.57 | 25.95 | 27.64 |
| 7 | Ø0.265×1.8 | Ø6.73×45.7 | 21.46 | 22.58 | 25.01 | 25.99 | 27.45 | 29.24 |
| 8 | Ø0.265×1.9 | Ø6.73×48.3 | 22.66 | 23.86 | 26.44 | 27.47 | 29.01 | 30.90 |
| 9 | Ø0.265×2.00 | Ø6.73×50.8 | 23.83 | 25.10 | 27.81 | 28.89 | 30.51 | 32.50 |
| 10 | Ø0.265×2.15 | Ø6.73×54.6 | 25.62 | 26.97 | 29.89 | 31.05 | 32.80 | 34.93 |
| 11 | Ø9/32×1.6 | Ø7.15×40.7 | 21.55 | 22.70 | 25.15 | 26.13 | 27.60 | 29.39 |
| 12 | Ø9/32×1.7 | Ø7.15×43.2 | 22.88 | 24.09 | 26.69 | 27.73 | 29.29 | 31.20 |
| 13 | Ø9/32×1.8 | Ø7.15×45.7 | 24.20 | 25.49 | 28.24 | 29.34 | 30.99 | 33.01 |
| 14 | Ø9/32×1.9 | Ø7.15×48.3 | 25.58 | 26.94 | 29.84 | 31.01 | 32.75 | 34.88 |
| 15 | Ø9/32×2.00 | Ø7.15×50.8 | 26.90 | 28.33 | 31.39 | 32.61 | 34.45 | 36.69 |
| 16 | Ø9/32×2.15 | Ø7.15×54.6 | 28.92 | 30.45 | 33.74 | 35.05 | 37.02 | 39.43 |
| 17 | Ø5/16×1.6 | Ø7.94×40.7 | 26.58 | 27.99 | 31.01 | 32.22 | 34.04 | 36.25 |
| 18 | Ø5/16×1.7 | Ø7.94×43.2 | 28.22 | 29.71 | 32.92 | 34.20 | 36.13 | 38.48 |
| 19 | Ø5/16×1.8 | Ø7.94×45.7 | 29.85 | 31.43 | 34.82 | 36.18 | 38.22 | 40.70 |
| 20 | Ø5/16×1.9 | Ø7.94×48.3 | 31.55 | 33.22 | 36.81 | 38.24 | 40.39 | 43.02 |
| 21 | Ø5/16×2.00 | Ø7.94×50.8 | 33.18 | 34.94 | 38.71 | 40.22 | 42.48 | 45.25 |
| 22 | Ø11/32×1.4 | Ø8.74×35.6 | 28.17 | 29.67 | 32.87 | 34.15 | 36.07 | 38.42 |
| 23 | Ø11/32×1.6 | Ø8.74×40.7 | 32.21 | 33.92 | 37.58 | 39.04 | 41.24 | 43.92 |
| 24 | Ø11/32×1.8 | Ø8.74×45.7 | 36.17 | 38.09 | 42.20 | 43.84 | 46.31 | 49.32 |
| 25 | Ø11/32×2.00 | Ø8.74×50.8 | 40.20 | 42.34 | 46.91 | 48.73 | 51.48 | 54.83 |