| 规格 | 剥肋直径 | 螺纹尺寸 | 丝头长度 | 完整丝扣圈数 | 套筒最小长度(MM) | 套筒最小外径(MM) |
| 16 | 15.1±0.2 | M16.5×2.5 | 20~22.5 | ≥8 | 40 | 26 |
| 18 | 16.9±0.2 | M19×2.5 | 25~27.5 | ≥7 | 45 | 28 |
| 20 | 18.8±0.2 | M21×2.5 | 27~30 | ≥8 | 50 | 30 |
| 22 | 20.8±0.2 | M23×2.5 | 29.5~32.5 | ≥9 | 60 | 32 |
| 25 | 23.7±0.2 | M26×3 | 32~35 | ≥9 | 66 | 38 |
| 28 | 26.6±0.2 | M29×3 | 37~40 | ≥10 | 72 | 42 |
| 32 | 30.5±0.2 | M33×3 | 42~45 | ≥11 | 78 | 48 |
| 36 | 34.5±0.2 | M37×3.5 | 46~49 | ≥9 | 91 | 54 |
| 40 | 38.1±0.2 | M41×3.5 | 49~52.5 | ≥10 | 98 | 60 |
2. 接头连接套筒单边外露有效螺纹不得超过1个螺距。下载本文