| 规格标注 | zui小内径mm | 外径mm | 节距mm | 单件长度mm | 适配钢管 | | 公制 | 英制 | 薄钢 | 厚钢 | | 8 | 5/16″ | 7.7 | 11 | 4 | 100 | | | | | | 10 | 1/4″ | 9.7 | 13.5 | 4.7 | 100 | ″12 | 1/2″ | | | | 12 | 3/8″ | 11.7 | 15.5 | 4.7 | 100 | ″15 | 3/8″ | ″10 | 3/8″ | | 15 | 1/2″ | 14.7 | 19 | 5.7 | 100 | ″20 | 3/4″ | ″15 | 1/2″ | | 20 | 3/4″ | 19.6 | 24.3 | 6.4 | 50 | ″25 | 1″ | ″20 | 3/4″ | | 25 | 1″ | 24.5 | 30.3 | 8.7 | 50 | ″32 | 1/1/4″ | ″25 | 1″ | | 32 | 1/1/4″ | 31.5 | 38 | 10.5 | 25 | ″40 | 1/1/2″ | ″32 | 1/1/4″ | | 38 | 1/1/2″ | 37.5 | 45 | 11.4 | 25 | ″50 | 2″ | ″40 | 1/1/2″ | | 51 | 2″ | 49.5 | 58 | 11.4 | 20 | ″70 | 2/1/2″ | ″50 | 2″ | | 64 | 2/1/2″ | 62.5 | 72.5 | 14.2 | 10 | ″80 | 3″ | ″70 | 2/1/2″ | | 75 | 3″ | 73 | 83.5 | 14.2 | 10 | | | ″80 | 3″ | | 100 | 4″ | 97 | 108.5 | 14.2 | 10 | | | ″100 | 4″ | |
