YSLR系列精密螺母锁紧方式为利用钢材本身的弹性，以径向锁固，强制锁定。 本产品厚度较薄，适用于螺帽厚度空间受到限制，无法使用其他产品之情况，且因结构设计简单，故锁固方便，但因安装上的误差，故无法确保平面与螺纹的垂直偏摆为其缺点。
- 本体材质：SCM440 (42CrMo4)
- 调质硬度：HRC28°~32°
- 螺纹精度：ISO-4H精密车削
- 平面偏摆：0.005mm
| 零件型号 | D (mm) | h (mm) | g (mm) | t (mm) | d (mm) | n-m | 螺钉拧紧力矩 (Nm) |
|---|---|---|---|---|---|---|---|
| YSLR-M12×1.0P | 24 | 12 | 4 | 2 | 19 | 2-M4 | 8 |
| YSLR-M14×1.0P | 26 | 12 | 4 | 2 | 21 | 2-M4 | 8 |
| YSLR-M15×1.0P | 30 | 12 | 4 | 2 | 25 | 2-M4 | 8 |
| YSLR-M17×1.0P | 32 | 12 | 4 | 2 | 27 | 2-M5 | 8 |
| YSLR-M18×1.0P | 32 | 12 | 4 | 2 | 27 | 2-M5 | 8 |
| YSLR-M20×1.0P | 35 | 12 | 4 | 2 | 30 | 2-M5 | 8 |
| YSLR-M22×1.5P | 35 | 12 | 4 | 2 | 30 | 2-M5 | 8 |
| YSLR-M25×1.5P | 40 | 12 | 5 | 2 | 35 | 2-M6 | 8 |
| YSLR-M30×1.5P | 45 | 12 | 5 | 2 | 40 | 2-M6 | 8 |
| YSLR-M32×1.5P | 46 | 12 | 5 | 2 | 41 | 2-M6 | 8 |
| YSLR-M35×1.5P | 50 | 12 | 5 | 2 | 45 | 2-M6 | 8 |
| YSLR-M38×1.5P | 52 | 12 | 5 | 2 | 47 | 2-M6 | 8 |
| YSLR-M40×1.5P | 55 | 12 | 6 | 2.5 | 49 | 2-M6 | 8 |
| YSLR-M42×1.5P | 56 | 12 | 6 | 2.5 | 50 | 2-M6 | 8 |
| YSLR-M45×1.5P | 60 | 12 | 6 | 2.5 | 54 | 2-M6 | 8 |
| YSLR-M50×1.5P | 65 | 12 | 6 | 2.5 | 59 | 2-M6 | 8 |
| YSLR-M52×1.5P | 67 | 12 | 6 | 2.5 | 61 | 2-M6 | 8 |
| YSLR-M55×2.0P | 75 | 15 | 7 | 3 | 68 | 2-M8 | 18 |
| YSLR-M60×2.0P | 80 | 15 | 7 | 3 | 73 | 2-M8 | 18 |
| YSLR-M65×2.0P | 85 | 15 | 7 | 3 | 78 | 2-M8 | 18 |
| YSLR-M70×2.0P | 90 | 15 | 8 | 3.5 | 82 | 2-M8 | 18 |
| YSLR-M75×2.0P | 95 | 15 | 8 | 3.5 | 87 | 2-M8 | 18 |
| YSLR-M80×2.0P | 105 | 15 | 8 | 3.5 | 97 | 2-M8 | 18 |
| YSLR-M85×2.0P | 110 | 15 | 8 | 3.5 | 102 | 2-M8 | 18 |
| YSLR-M90×2.0P | 115 | 15 | 10 | 4 | 106 | 2-M8 | 18 |
| YSLR-M95×2.0P | 120 | 15 | 10 | 4 | 111 | 2-M8 | 18 |
| YSLR-M100×2.0P | 125 | 15 | 10 | 4 | 116 | 2-M8 | 18 |
| YSLR-M105×2.0P | 130 | 20 | 12 | 5 | 119 | 2-M8 | 18 |
| YSLR-M110×2.0P | 135 | 20 | 12 | 5 | 124 | 2-M8 | 18 |
| YSLR-M115×2.0P | 140 | 20 | 12 | 5 | 129 | 2-M8 | 18 |
| YSLR-M120×2.0P | 145 | 20 | 12 | 5 | 134 | 2-M8 | 18 |
| YSLR-M125×2.0P | 150 | 20 | 12 | 5 | 139 | 2-M8 | 18 |
| YSLR-M130×2.0P | 155 | 20 | 12 | 5 | 144 | 2-M8 | 18 |
| YSLR-M135×2.0P | 165 | 20 | 14 | 6 | 152 | 2-M10 | 35 |
| YSLR-M140×2.0P | 170 | 20 | 14 | 6 | 157 | 2-M10 | 35 |
| YSLR-M145×2.0P | 175 | 20 | 14 | 6 | 162 | 2-M10 | 35 |
| YSLR-M150×2.0P | 180 | 20 | 14 | 6 | 167 | 2-M10 | 35 |
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