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| 項目 | 標準牌號 | 單位 | 外徑 | 內徑 | 公差 | 厚度 | 公差 |
| BETW | mm | 23.88 | 12.19 | 12.07~12.26 | 1.07 | 1.02~1.11 | |
| BETW | mm | 25.4 | 15.65 | 15.52~15.72 | 1.27 | 1.22~1.32 | |
| BETW | mm | 28.45 | 14.58 | 14.46~14.65 | 1.27 | 1.22~1.32 | |
| BETW | mm | 33.02 | 16.97 | 16.85~17.04 | 1.27 | 1.22~1.32 | |
| BETW | mm | 38.1 | 20.88 | 20.76~20.95 | 1.27 | 1.22~1.32 | |
| BETW | inch | 0.375 | 0.076 | 0.073~0.077 | 0.01 | 0.009~0.011 | |
| BETW | inch | 0.23 | 0.094 | 0.091~0.095 | 0.01 | 0.009~0.011 | |
| BETW | inch | 0.203 | 0.1 | 0.097~0.101 | 0.01 | 0.009~0.011 | |
| BETW | inch | 0.27 | 0.102 | 0.099~0.103 | 0.015 | 0.013~0.017 | |
| BETW | inch | 0.282 | 0.114 | 0.111~0.115 | 0.015 | 0.013~0.017 | |
| BETW | inch | 0.312 | 0.125 | 0.122~0.126 | 0.015 | 0.013~0.017 | |
| BETW | inch | 0.335 | 0.145 | 0.142~0.146 | 0.015 | 0.013~0.017 | |
| BETW | inch | 0.375 | 0.122 | 0.119~0.123 | 0.015 | 0.013~0.017 | |
| BETW | inch | 0.437 | 0.185 | 0.182~0.186 | 0.015 | 0.013~0.017 | |
| BETW | inch | 0.527 | 0.207 | 0.204~0.208 | 0.025 | 0.023~0.027 | |