无锡欧力特旗下品牌
弓型卸扣均采用锻造合金钢，并配有螺母销
每个弓型卸扣上印有尺寸及极限工作载荷
| 工厂编号 | 型号 | 额定载荷 | A[mm] | B [mm] | C[mm] | D[mm] | E[mm] | L [mm] | 净重 [kg/pc] |
| M0301 | 3/16" | 1/3T | 9.65 | 6.35 | 22.4 | 4.85 | 15.2 | 37.3 | 0.03 |
| M0302 | 1/4" | 1/2T | 11.9 | 7.85 | 28.7 | 6.35 | 19.8 | 46.7 | 0.05 |
| M0303 | 5/16" | 3/4T | 13.5 | 9.65 | 31 | 7.85 | 21.3 | 53 | 0.1 |
| M0304 | 3/8" | 1T | 16.8 | 11.2 | 36.6 | 9.65 | 26.2 | 63 | 0.15 |
| M0305 | 7/16" | 1-1/2T | 19.1 | 12.7 | 42.9 | 11.2 | 29.5 | 74 | 0.22 |
| M0306 | 1/2" | 2T | 20.6 | 16 | 47.8 | 12.7 | 33.3 | 83.5 | 0.36 |
| M0307 | 5/8" | 3.25T | 26.9 | 19.1 | 60.5 | 16 | 42.9 | 106 | 0.76 |
| M0308 | 3/4" | 4.75T | 31.8 | 22.4 | 71.5 | 19.1 | 51 | 126 | 1.23 |
| M0309 | 7/8" | 6.5T | 36.6 | 25.4 | 84 | 22.4 | 58 | 148 | 1.79 |
| M0310 | 1" | 8.5T | 42.9 | 28.7 | 95.5 | 25.4 | 68.5 | 167 | 2.57 |
| M0311 | 1-1/8" | 9.5T | 46 | 31.8 | 108 | 28.7 | 74 | 190 | 3.75 |
| M0312 | 1-1/4" | 12T | 51.5 | 35.1 | 119 | 31.8 | 82.5 | 210 | 5.31 |
| M0313 | 1-3/8" | 13.5T | 57 | 38.1 | 133 | 35.1 | 92 | 233 | 7.18 |
| M0314 | 1-1/2" | 17T | 60.5 | 41.4 | 146 | 38.1 | 98.5 | 254 | 9.43 |
| M0315 | 1-3/4" | 25T | 73 | 51 | 178 | 44.5 | 127 | 313 | 15.4 |
| M0316 | 2" | 35T | 82.5 | 57 | 197 | 51 | 146 | 348 | 23.7 |
| M0317 | 2-1/2" | 55T | 105 | 70 | 267 | 69 | 184 | 453 | 38.9 |
| M0318 | 3" | 85T | 127 | 82.5 | 330 | 76 | 200 | 546 | 70 |
| M0319 | 3-1/2" | 120T | 133 | 95.5 | 372 | 92 | 229 | 626 | 120 |
| M0320 | 4" | 150T | 140 | 108 | 368 | 104 | 254 | 653 | 153 |
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