| 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 |
| RTW | inch | 4.685 | 4.664~4.706 | 0.157 | 0.154~0.161 | 0.35 | 0.402 | 0.118 | |
| RTW | inch | 4.803 | 4.778~4.828 | 0.157 | 0.154~0.161 | 0.374 | 0.402 | 0.118 | |
| RTW | inch | 5 | 4.975~5.025 | 0.157 | 0.154~0.161 | 0.374 | 0.421 | 0.118 | |
| RTW | inch | 5.197 | 5.172~5.222 | 0.157 | 0.154~0.161 | 0.394 | 0.421 | 0.138 | |
| RTW | inch | 5.394 | 5.345~5.443 | 0.157 | 0.154~0.161 | 0.394 | 0.421 | 0.138 | |
| RTW | inch | 5.591 | 5.541~5.640 | 0.157 | 0.154~0.161 | 0.425 | 0.433 | 0.138 | |
| RTW | inch | 5.787 | 5.738~5.837 | 0.157 | 0.154~0.161 | 0.425 | 0.433 | 0.138 | |
| RTW | inch | 5.984 | 5.935~6.033 | 0.157 | 0.154~0.161 | 0.425 | 0.433 | 0.138 | |
| RTW | inch | 6.22 | 6.171~6.270 | 0.157 | 0.154~0.161 | 0.453 | 0.465 | 0.138 | |
| RTW | inch | 6.457 | 6.408~6.506 | 0.157 | 0.154~0.161 | 0.453 | 0.465 | 0.138 | |
| RTW | inch | 6.654 | 6.604~6.703 | 0.157 | 0.154~0.161 | 0.472 | 0.492 | 0.138 | |
| RTW | inch | 6.87 | 6.821~6.919 | 0.157 | 0.154~0.161 | 0.472 | 0.5 | 0.138 | |
| RTW | inch | 7.067 | 7.018~7.116 | 0.157 | 0.154~0.161 | 0.472 | 0.138 | ||
| RTW | inch | 7.264 | 7.208~7.320 | 0.157 | 0.154~0.161 | 0.492 | 0.138 | ||
| RTW | inch | 7.461 | 7.404~7.517 | 0.157 | 0.154~0.161 | 0.512 | 0.157 | ||