| 技术参数 |
| 全不锈钢针头 |
| 规格 | 内径（mm） | 外径（mm） | 型号 |
| 14G | 1.55mm | 1.83mm | TH814025 |
| 15G | 1.37mm | 1.65mm | TH815025 |
| 16G | 1.20mm | 1.52mm | TH816025 |
| 18G | 0.84mm | 1.27mm | TH818025 |
| 20G | 0.60mm | 0.91mm | TH820025 |
| 21G | 0.51mm | 0.82mm | TH821025 |
| 22G | 0.41mm | 0.72mm | TH822025 |
| 23G | 0.34mm | 0.64mm | TH823025 |
| 25G | 0.26mm | 0.51mm | TH825025 |
| 27G | 0.21mm | 0.41mm | TH827025 |
| 30G | 0.16mm | 0.31mm | TH830025 |
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