| 扣環 | 截面 | 掛耳 | 孔徑 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 項目 | 標準牌號 | 單位 | 外徑 | 公差 | 厚度 | 公差 | 最大 | 值 | 值 |
| MT | inch | 1.224 | 1.205~1.250 | 0.051 | 0.049~0.053 | 0.116 | 0.181 | 0.075 | |
| MT | inch | 1.315 | 1.296~1.340 | 0.051 | 0.049~0.053 | 0.12 | 0.181 | 0.075 | |
| MT | inch | 1.392 | 1.373~1.417 | 0.051 | 0.049~0.053 | 0.124 | 0.181 | 0.075 | |
| MT | inch | 1.526 | 1.506~1.551 | 0.051 | 0.049~0.053 | 0.13 | 0.181 | 0.075 | |
| MT | inch | 1.742 | 1.717~1.777 | 0.063 | 0.060~0.066 | 0.157 | 0.201 | 0.075 | |
| MT | inch | 1.835 | 1.810~1.870 | 0.063 | 0.060~0.066 | 0.167 | 0.226 | 0.076 | |
| MT | inch | 2.053 | 2.028~2.088 | 0.063 | 0.060~0.066 | 0.169 | 0.234 | 0.091 | |
| MT | inch | 2.28 | 2.250~2.318 | 0.079 | 0.076~0.081 | 0.185 | 0.252 | 0.091 | |
| MT | inch | 2.406 | 2.376~2.444 | 0.079 | 0.076~0.081 | 0.199 | 0.26 | 0.091 | |
| MT | inch | 2.701 | 2.672~2.740 | 0.079 | 0.076~0.081 | 0.209 | 0.28 | 0.108 | |
| MT | inch | 3.134 | 3.105~3.173 | 0.094 | 0.092~0.097 | 0.228 | 0.299 | 0.108 | |
| MT | inch | 3.508 | 3.453~3.562 | 0.109 | 0.107~0.111 | 0.262 | 0.311 | 0.126 | |
| MT | inch | 3.732 | 3.678~3.787 | 0.11 | 0.108~0.113 | 0.276 | 0.342 | 0.126 | |