| 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 |
| NT | 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 | |
| NT | 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 | |
| NT | inch | 1.446 | 1.426~1.459 | 0.062 | 0.059~0.065 | 0.172 | ±0.006 | 0.093 | ±0.006 | 0.255 | 0.125 | +0.015,-0.002 | |
| NT | 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 | |
| NT | inch | 1.56 | 1.540~1.573 | 0.062 | 0.059~0.065 | 0.184 | ±0.006 | 0.099 | ±0.006 | 0.235 | 0.125 | +0.015,-0.002 | |
| NT | inch | 1.618 | 1.598~1.631 | 0.062 | 0.059~0.065 | 0.188 | ±0.006 | 0.101 | ±0.006 | 0.26 | 0.125 | +0.015,-0.002 | |
| NT | inch | 1.637 | 1.617~1.650 | 0.062 | 0.059~0.065 | 0.19 | ±0.006 | 0.102 | ±0.006 | 0.237 | 0.125 | +0.015,-0.002 | |
| NT | inch | 1.675 | 1.655~1.688 | 0.062 | 0.059~0.065 | 0.192 | ±0.006 | 0.102 | ±0.006 | 0.238 | 0.125 | +0.015,-0.002 | |
| NT | inch | 1.735 | 1.715~1.748 | 0.062 | 0.059~0.065 | 0.196 | ±0.006 | 0.104 | ±0.006 | 0.239 | 0.125 | +0.015,-0.002 | |
| NT | inch | 1.819 | 1.799~1.832 | 0.062 | 0.059~0.065 | 0.2 | ±0.006 | 0.106 | ±0.006 | 0.245 | 0.125 | +0.015,-0.002 | |
| NT | inch | 1.85 | 1.830~1.863 | 0.062 | 0.059~0.065 | 0.204 | ±0.006 | 0.108 | ±0.006 | 0.239 | 0.125 | +0.015,-0.002 | |
| NT | inch | 1.906 | 1.881~1.921 | 0.078 | 0.075~0.081 | 0.208 | ±0.007 | 0.111 | ±0.007 | 0.266 | 0.125 | +0.015,-0.002 | |
| NT | inch | 1.964 | 1.939~1.979 | 0.078 | 0.075~0.081 | 0.212 | ±0.007 | 0.113 | ±0.007 | 0.28 | 0.125 | +0.015,-0.002 | |
| NT | inch | 1.993 | 1.968~2.008 | 0.078 | 0.075~0.081 | 0.212 | ±0.007 | 0.113 | ±0.007 | 0.28 | 0.125 | +0.015,-0.002 | |
| NT | inch | 2.081 | 2.056~2.096 | 0.078 | 0.075~0.081 | 0.22 | ±0.007 | 0.116 | ±0.007 | 0.28 | 0.125 | +0.015,-0.002 | |