| 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 |
| MT | mm | 28.9 | 28.65~29.3 | 1 | 0.95~1.05 | 2.7 | 4 | 1.5 | |
| MT | mm | 31.1 | 30.6~31.75 | 1.3 | 1.24~1.36 | 2.95 | 4.6 | 1.9 | |
| MT | mm | 33.4 | 32.9~34.05 | 1.3 | 1.24~1.36 | 3.05 | 4.6 | 1.9 | |
| MT | mm | 35.35 | 34.85~36 | 1.3 | 1.24~1.36 | 3.15 | 4.6 | 1.9 | |
| MT | mm | 38.75 | 38.25~39.4 | 1.3 | 1.24~1.36 | 3.3 | 4.6 | 1.9 | |
| MT | mm | 44.25 | 43.6~45.15 | 1.6 | 1.52~1.68 | 4 | 5.1 | 1.9 | |
| MT | mm | 46.6 | 45.95~47.5 | 1.6 | 1.52~1.68 | 4.25 | 5.75 | 1.93 | |
| MT | mm | 52.15 | 51.5~53.05 | 1.6 | 1.52~1.68 | 4.3 | 5.94 | 2.31 | |
| MT | mm | 57.9 | 57.15~58.9 | 2 | 1.93~2.07 | 4.7 | 6.4 | 2.31 | |
| MT | mm | 61.1 | 60.35~62.1 | 2 | 1.93~2.07 | 5.05 | 6.6 | 2.31 | |
| MT | mm | 68.6 | 67.85~69.6 | 2 | 1.93~2.07 | 5.3 | 7.1 | 2.74 | |
| MT | mm | 79.6 | 78.85~80.6 | 2.4 | 2.33~2.47 | 5.8 | 7.6 | 2.74 | |
| MT | mm | 89.1 | 87.7~90.5 | 2.77 | 2.7~2.84 | 6.65 | 7.9 | 3.2 | |
| MT | mm | 94.8 | 93.4~96.2 | 2.8 | 2.72~2.88 | 7.01 | 8.69 | 3.2 | |
| MT | inch | 1.138 | 1.128~1.153 | 0.039 | 0.038~0.041 | 0.106 | 0.157 | 0.059 | |