高强度开始螺旋扣哟你开始索具螺旋扣规格小、重量偏重的不足。满足了港口机械中多种张紧调节的紧固装置，相同额定载荷下，重量减轻了40%左右，安全系数达到了4.
技术参数：
| 产品代号 | 额定载荷SWL | L1、L3、L5 | L2、L4、L6 | 主要安装尺寸(mm) | ||||
| A | B | D | E | F | ||||
| CZTH3401 | 10t | 600 | 800 | 70 | 50 | 40 | 50 | 110 |
| CZTH3402 | 10t | 700 | 1000 | 70 | 50 | 40 | 50 | 110 |
| CZTH3403 | 16t | 660 | 860 | 80 | 56 | 45 | 56 | 120 |
| CZTH3404 | 16t | 820 | 1120 | 80 | 56 | 45 | 56 | 120 |
| CZTH3405 | 25t | 800 | 1100 | 90 | 60 | 56 | 60 | 140 |
| CZTH3406 | 25t | 900 | 1300 | 90 | 60 | 56 | 60 | 140 |
| CZTH3407 | 40t | 880 | 1180 | 100 | 70 | 64 | 70 | 160 |
| CZTH3408 | 40t | 980 | 1380 | 100 | 70 | 64 | 70 | 160 |
| CZTH3409 | 50t | 900 | 1300 | 110 | 75 | 68 | 80 | 180 |
| CZTH3410 | 50t | 1000 | 1400 | 110 | 75 | 68 | 80 | 180 |
| CZTH3411 | 60t | 1080 | 1480 | 120 | 80 | 72 | 80 | 180 |
| CZTH3412 | 60t | 1280 | 1880 | 120 | 80 | 72 | 80 | 180 |
| CZTH3413 | 80t | 1180 | 1580 | 140 | 85 | 80 | 90 | 210 |
| CZTH3414 | 80t | 1380 | 1980 | 140 | 85 | 80 | 90 | 210 |
| CZTH3415 | 100t | 1220 | 1620 | 160 | 90 | 85 | 100 | 240 |
| CZTH3416 | 100t | 1420 | 2020 | 160 | 90 | 85 | 100 | 240 |
| CZTH3417 | 120t | 1280 | 1680 | 180 | 95 | 90 | 100 | 280 |
| CZTH3418 | 120t | 1480 | 2080 | 180 | 95 | 90 | 100 | 280 |
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