| 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 | 0.925 | 0.915~0.930 | 0.042 | 0.040~0.044 | 0.116 | ±0.005 | 0.065 | ±0.005 | 0.167 | 0.078 | +0.015,-0.002 | |
| STW | inch | 0.946 | 0.936~0.951 | 0.042 | 0.040~0.044 | 0.118 | ±0.005 | 0.066 | ±0.005 | 0.168 | 0.078 | +0.015,-0.002 | |
| STW | inch | 0.982 | 0.967~0.992 | 0.05 | 0.048~0.052 | 0.122 | ±0.006 | 0.069 | ±0.006 | 0.181 | 0.078 | +0.015,-0.002 | |
| STW | inch | 1.041 | 1.026~1.051 | 0.05 | 0.048~0.052 | 0.128 | ±0.006 | 0.071 | ±0.006 | 0.182 | 0.078 | +0.015,-0.002 | |
| STW | inch | 1.098 | 1.083~1.108 | 0.05 | 0.048~0.052 | 0.132 | ±0.006 | 0.072 | ±0.006 | 0.182 | 0.078 | +0.015,-0.002 | |
| STW | inch | 1.156 | 1.141~1.166 | 0.05 | 0.048~0.052 | 0.14 | ±0.006 | 0.076 | ±0.006 | 0.183 | 0.078 | +0.015,-0.002 | |
| STW | inch | 1.214 | 1.199~1.224 | 0.05 | 0.048~0.052 | 0.146 | ±0.006 | 0.077 | ±0.006 | 0.183 | 0.078 | +0.015,-0.002 | |
| STW | inch | 1.272 | 1.257~1.282 | 0.05 | 0.048~0.052 | 0.152 | ±0.006 | 0.082 | ±0.006 | 0.184 | 0.078 | +0.015,-0.002 | |
| STW | inch | 1.333 | 1.318~1.343 | 0.05 | 0.048~0.052 | 0.16 | ±0.006 | 0.086 | ±0.006 | 0.184 | 0.078 | +0.015,-0.002 | |
| STW | inch | 1.387 | 1.372~1.397 | 0.05 | 0.048~0.052 | 0.168 | ±0.006 | 0.091 | ±0.006 | 0.214 | 0.12 | +0.015,-0.002 | |
| STW | inch | 1.503 | 1.483~1.516 | 0.062 | 0.059~0.065 | 0.18 | ±0.006 | 0.097 | ±0.006 | 0.235 | 0.125 | +0.015,-0.002 | |
| STW | inch | 1.618 | 1.598~1.631 | 0.062 | 0.059~0.065 | 0.188 | ±0.006 | 0.101 | ±0.006 | 0.237 | 0.125 | +0.015,-0.002 | |