| 扣環 | 截面 | 掛耳 | 孔徑 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 項目 | 標準牌號 | 單位 | 內徑 | 公差 | 厚度 | 公差 | 最大 | 值 | 值 |
| STW | inch | 1.882 | 1.847~1.897 | 0.079 | 0.076~0.078 | 0.205 | 0.276 | 0.098 | |
| STW | inch | 1.961 | 1.926~1.975 | 0.079 | 0.076~0.078 | 0.209 | 0.28 | 0.098 | |
| STW | inch | 2 | 1.957~2.018 | 0.079 | 0.076~0.078 | 0.213 | 0.283 | 0.098 | |
| STW | inch | 2.039 | 1.997~2.057 | 0.079 | 0.076~0.078 | 0.217 | 0.287 | 0.098 | |
| STW | inch | 2.079 | 2.036~2.096 | 0.079 | 0.076~0.078 | 0.217 | 0.287 | 0.098 | |
| STW | inch | 2.118 | 2.075~2.136 | 0.079 | 0.076~0.078 | 0.22 | 0.287 | 0.098 | |
| STW | inch | 2.197 | 2.154~2.214 | 0.079 | 0.076~0.078 | 0.228 | 0.291 | 0.098 | |
| STW | inch | 2.276 | 2.233~2.293 | 0.079 | 0.076~0.078 | 0.236 | 0.295 | 0.098 | |
| STW | inch | 2.315 | 2.272~2.333 | 0.079 | 0.076~0.078 | 0.244 | 0.299 | 0.098 | |
| STW | inch | 2.394 | 2.351~2.411 | 0.098 | 0.096~0.098 | 0.248 | 0.307 | 0.118 | |
| STW | inch | 2.461 | 2.418~2.478 | 0.098 | 0.096~0.098 | 0.252 | 0.311 | 0.118 | |
| STW | inch | 2.5 | 2.457~2.518 | 0.098 | 0.096~0.098 | 0.256 | 0.315 | 0.118 | |
| STW | inch | 2.579 | 2.536~2.596 | 0.098 | 0.096~0.098 | 0.26 | 0.319 | 0.118 | |
| STW | inch | 2.657 | 2.615~2.675 | 0.098 | 0.096~0.098 | 0.268 | 0.323 | 0.118 | |
| STW | inch | 2.776 | 2.733~2.793 | 0.098 | 0.096~0.098 | 0.276 | 0.331 | 0.118 | |