| 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 | 公差 | 最小 | 公差 | 值 | 值 | 公差 |
| STW | inch | 0.906 | 0.896~0.911 | 0.078 | 0.075~0.081 | 0.151 | ±0.006 | 0.084 | ±0.006 | 0.18 | 0.078 | +0.015,-0.002 | |
| STW | inch | 0.978 | 0.963~0.988 | 0.093 | 0.090~0.096 | 0.161 | ±0.007 | 0.09 | ±0.007 | 0.22 | 0.093 | +0.015,-0.002 | |
| STW | inch | 1.036 | 1.021~1.046 | 0.093 | 0.090~0.096 | 0.169 | ±0.007 | 0.095 | ±0.007 | 0.22 | 0.093 | +0.015,-0.002 | |
| STW | inch | 1.087 | 1.072~1.097 | 0.093 | 0.090~0.096 | 0.176 | ±0.007 | 0.098 | ±0.007 | 0.22 | 0.093 | +0.015,-0.002 | |
| STW | inch | 1.15 | 1.135~1.160 | 0.093 | 0.090~0.096 | 0.185 | ±0.007 | 0.103 | ±0.007 | 0.22 | 0.093 | +0.015,-0.002 | |
| STW | inch | 1.208 | 1.193~1.218 | 0.093 | 0.090~0.096 | 0.192 | ±0.007 | 0.106 | ±0.007 | 0.22 | 0.093 | +0.015,-0.002 | |
| STW | inch | 1.268 | 1.253~1.278 | 0.093 | 0.090~0.096 | 0.2 | ±0.007 | 0.11 | ±0.007 | 0.22 | 0.093 | +0.015,-0.002 | |
| STW | inch | 1.38 | 1.365~1.390 | 0.109 | 0.106~0.112 | 0.218 | ±0.008 | 0.123 | ±0.008 | 0.28 | 0.109 | +0.015,-0.002 | |
| STW | inch | 1.437 | 1.417~1.450 | 0.109 | 0.106~0.112 | 0.228 | ±0.008 | 0.127 | ±0.008 | 0.28 | 0.109 | +0.015,-0.002 | |
| STW | inch | 1.608 | 1.588~1.621 | 0.109 | 0.106~0.112 | 0.254 | ±0.008 | 0.14 | ±0.008 | 0.29 | 0.109 | +0.015,-0.002 | |
| STW | inch | 1.782 | 1.762~1.795 | 0.125 | 0.121~0.129 | 0.28 | ±0.008 | 0.154 | ±0.008 | 0.314 | 0.125 | +0.015,-0.002 | |
| STW | inch | 1.84 | 1.820~1.853 | 0.125 | 0.121~0.129 | 0.29 | ±0.008 | 0.16 | ±0.008 | 0.314 | 0.125 | +0.015,-0.002 | |