| 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 | 公差 | 最小 | 公差 | 值 | 值 | 公差 |
| MT | mm | 175.13 | 173.11~177.16 | 3.96 | 3.84~4.08 | 12.32 | ±0.228 | 5.36 | ±0.228 | 12.32 | 4.75 | +0.508,-0.127 | |
| MT | mm | 182.12 | 180.09~184.15 | 3.96 | 3.84~4.08 | 12.32 | ±0.228 | 5.56 | ±0.228 | 12.32 | 4.75 | +0.508,-0.127 | |
| MT | mm | 185.62 | 183.60~187.65 | 3.96 | 3.84~4.08 | 12.32 | ±0.228 | 5.61 | ±0.228 | 12.32 | 4.75 | +0.508,-0.127 | |
| MT | mm | 189.1 | 187.08~191.13 | 3.96 | 3.84~4.08 | 13.08 | ±0.228 | 5.69 | ±0.228 | 13.08 | 4.75 | +0.508,-0.127 | |
| MT | mm | 196.09 | 194.06~198.12 | 3.96 | 3.84~4.08 | 13.08 | ±0.228 | 5.89 | ±0.228 | 13.08 | 4.75 | +0.508,-0.127 | |
| MT | mm | 203.07 | 200.79~205.35 | 4.75 | 4.63~4.87 | 13.84 | ±0.254 | 6.05 | ±0.254 | 13.84 | 4.75 | +0.508,-0.127 | |
| MT | mm | 210.06 | 207.78~212.34 | 4.75 | 4.63~4.87 | 13.84 | ±0.254 | 6.27 | ±0.254 | 13.84 | 4.75 | +0.508,-0.127 | |
| MT | mm | 217.04 | 214.76~219.32 | 4.75 | 4.63~4.87 | 14.22 | ±0.254 | 6.48 | ±0.254 | 14.22 | 4.75 | +0.508,-0.127 | |
| MT | mm | 224.03 | 221.75~226.31 | 4.75 | 4.63~4.87 | 14.22 | ±0.254 | 6.65 | ±0.254 | 14.22 | 4.75 | +0.508,-0.127 | |
| MT | mm | 231.01 | 228.73~233.29 | 4.75 | 4.63~4.87 | 14.73 | ±0.254 | 6.86 | ±0.254 | 14.73 | 4.75 | +0.508,-0.127 | |
| MT | mm | 235.84 | 233.56~238.12 | 4.75 | 4.63~4.87 | 14.73 | ±0.254 | 7.04 | ±0.254 | 14.73 | 4.75 | +0.508,-0.127 | |
| MT | mm | 242.77 | 240.49~245.05 | 4.75 | 4.63~4.87 | 15.01 | ±0.254 | 7.26 | ±0.254 | 16.76 | 4.75 | +0.508,-0.127 | |
| MT | mm | 249.68 | 247.40~251.96 | 4.75 | 4.63~4.87 | 15.47 | ±0.254 | 7.47 | ±0.254 | 16.76 | 4.75 | +0.508,-0.127 | |
| MT | mm | 256.59 | 254.31~258.87 | 4.75 | 4.63~4.87 | 15.88 | ±0.254 | 7.59 | ±0.254 | 16.76 | 4.75 | +0.508,-0.127 | |
| MT | mm | 263.53 | 261.24~265.81 | 4.75 | 4.63~4.87 | 16.31 | ±0.254 | 7.72 | ±0.254 | 18.67 | 4.75 | +0.508,-0.127 | |