YSR系列精密螺母为径向三点式锁定，其厚度相较其他产品为薄，适用于螺母厚度空间受到限制，无法使用其它产品之情况。
- 本体材质：SCM440 (42CrMo4)
- 调质硬度：HRC28°~32°
- 螺纹精度：ISO-4H精密研磨（平面偏摆 M14~200：0.002mm）
- 螺纹精度：ISO-4H精密车削（平面偏摆 M14~200：0.005mm）
- 平面偏摆 M210~300：0.007mm
| 零件型号 | D (mm) | h (mm) | g (mm) | t (mm) | d (mm) | n-m | 螺钉拧紧力矩 (Nm) |
|---|---|---|---|---|---|---|---|
| YSR-M6×0.5P | 16 | 8 | 3 | 2 | 11 | 2-M4 | 3.5 |
| YSR-M8×0.75P | 16 | 8 | 3 | 2 | 11 | 2-M4 | 3.5 |
| YSR-M10×0.75P | 18 | 8 | 3 | 2 | 13 | 2-M4 | 3.5 |
| YSR-M10×1.0P | 18 | 8 | 3 | 2 | 13 | 2-M4 | 3.5 |
| YSR-M12×1.0P | 20 | 8 | 3 | 2 | 15 | 2-M4 | 3.5 |
| YSR-M12×1.25P | 20 | 8 | 3 | 2 | 15 | 2-M4 | 3.5 |
| YSR-M14×1.5P | 25 | 8 | 3 | 2 | 20 | 2-M4 | 3.5 |
| YSR-M15×1.0P | 25 | 8 | 3 | 2 | 20 | 2-M4 | 3.5 |
| YSR-M16×1.5P | 28 | 10 | 4 | 2 | 23 | 2-M5 | 4.5 |
| YSR-M17×1.0P | 28 | 10 | 4 | 2 | 23 | 2-M5 | 4.5 |
| YSR-M18×1.5P | 30 | 10 | 4 | 2 | 25 | 2-M5 | 4.5 |
| YSR-M20×1.0P | 32 | 10 | 4 | 2 | 27 | 3-M5 | 4.5 |
| YSR-M20×1.5P | 32 | 10 | 4 | 2 | 27 | 3-M5 | 4.5 |
| YSR-M22×1.5P | 35 | 10 | 4 | 2 | 30 | 3-M5 | 4.5 |
| YSR-M24×1.5P | 38 | 12 | 5 | 2 | 33 | 3-M6 | 8 |
| YSR-M25×1.5P | 38 | 12 | 5 | 2 | 33 | 3-M6 | 8 |
| YSR-M27×1.5P | 42 | 12 | 5 | 2 | 37 | 3-M6 | 8 |
| YSR-M30×1.5P | 45 | 12 | 5 | 2 | 40 | 3-M6 | 8 |
| YSR-M33×1.5P | 52 | 12 | 5 | 2 | 45 | 3-M6 | 8 |
| YSR-M35×1.5P | 52 | 12 | 5 | 2 | 47 | 3-M6 | 8 |
| YSR-M36×1.5P | 55 | 14 | 6 | 2.5 | 49 | 3-M6 | 8 |
| YSR-M39×1.5P | 58 | 14 | 6 | 2.5 | 52 | 3-M6 | 8 |
| YSR-M40×1.5P | 58 | 14 | 6 | 2.5 | 52 | 3-M6 | 8 |
| YSR-M42×1.5P | 62 | 14 | 6 | 2.5 | 56 | 3-M6 | 8 |
| YSR-M45×1.5P | 65 | 14 | 6 | 2.5 | 59 | 3-M6 | 8 |
| YSR-M48×1.5P | 68 | 14 | 6 | 2.5 | 62 | 3-M6 | 8 |
| YSR-M50×1.5P | 70 | 14 | 6 | 2.5 | 64 | 3-M8 | 18 |
| YSR-M52×1.5P | 73 | 16 | 7 | 3 | 66 | 3-M8 | 18 |
| YSR-M55×1.5P | 75 | 16 | 7 | 3 | 3-M8 | 18 | |
| YSR-M55×2.0P | 75 | 16 | 7 | 3 | 68 | 3-M8 | 18 |
| YSR-M56×2.0P | 77 | 16 | 7 | 3 | 70 | 3-M8 | 18 |
| YSR-M60×2.0P | 80 | 16 | 7 | 3 | 73 | 3-M8 | 18 |
| YSR-M64×2.0P | 85 | 16 | 7 | 3 | 78 | 3-M8 | 18 |
| YSR-M65×2.0P | 85 | 16 | 7 | 3 | 78 | 3-M8 | 18 |
| YSR-M68×2.0P | 92 | 18 | 8 | 3.5 | 84 | 3-M8 | 18 |
| YSR-M70×2.0P | 92 | 18 | 8 | 3.5 | 84 | 3-M8 | 18 |
| YSR-M72×2.0P | 95 | 18 | 8 | 3.5 | 86 | 3-M8 | 18 |
| YSR-M75×2.0P | 98 | 18 | 8 | 3.5 | 90 | 3-M8 | 18 |
| YSR-M76×2.0P | 100 | 18 | 8 | 3.5 | 92 | 3-M8 | 18 |
| YSR-M80×2.0P | 105 | 18 | 8 | 3.5 | 96 | 3-M8 | 18 |
| YSR-M85×2.0P | 110 | 18 | 8 | 3.5 | 102 | 3-M8 | 18 |
| YSR-M90×2.0P | 120 | 20 | 10 | 4 | 108 | 3-M8 | 18 |
| YSR-M95×2.0P | 125 | 20 | 10 | 4 | 113 | 3-M8 | 18 |
| YSR-M100×2.0P | 130 | 20 | 10 | 4 | 118 | 3-M8 | 18 |
| YSR-M105×2.0P | 140 | 22 | 12 | 5 | 125 | 3-M8 | 18 |
| YSR-M110×2.0P | 145 | 22 | 12 | 5 | 132 | 3-M8 | 18 |
| YSR-M115×2.0P | 150 | 22 | 12 | 5 | 137 | 3-M8 | 18 |
| YSR-M120×2.0P | 155 | 24 | 12 | 5 | 142 | 3-M8 | 18 |
| YSR-M125×2.0P | 160 | 24 | 12 | 5 | 147 | 3-M8 | 18 |
| YSR-M130×2.0P | 165 | 24 | 12 | 5 | 152 | 3-M8 | 18 |
| YSR-M135×2.0P | 175 | 26 | 14 | 6 | 160 | 3-M10 | 35 |
| YSR-M140×2.0P | 180 | 26 | 14 | 6 | 165 | 3-M10 | 35 |
| YSR-M145×2.0P | 190 | 26 | 14 | 6 | 175 | 3-M10 | 35 |
| YSR-M150×2.0P | 195 | 26 | 14 | 6 | 180 | 3-M10 | 35 |
| YSR-M155×3.0P | 200 | 28 | 16 | 7 | 180 | 3-M10 | 35 |
| YSR-M160×3.0P | 210 | 28 | 16 | 7 | 190 | 3-M10 | 35 |
| YSR-M165×3.0P | 210 | 28 | 16 | 7 | 190 | 3-M10 | 35 |
| YSR-M170×3.0P | 220 | 28 | 16 | 7 | 200 | 3-M10 | 35 |
| YSR-M180×3.0P | 230 | 30 | 18 | 8 | 205 | 3-M12 | 60 |
| YSR-M190×3.0P | 240 | 30 | 18 | 8 | 215 | 3-M12 | 60 |
| YSR-M200×3.0P | 250 | 32 | 18 | 8 | 225 | 3-M12 | 60 |
| YSR-M210×3.0P | 260 | 32 | 18 | 8 | 240 | 3-M12 | 60 |
| YSR-M220×3.0P | 270 | 32 | 18 | 8 | 250 | 3-M12 | 60 |
| YSR-M230×3.0P | 280 | 34 | 20 | 9 | 258 | 3-M12 | 60 |
| YSR-M240×3.0P | 290 | 34 | 20 | 9 | 268 | 3-M12 | 60 |
| YSR-M250×3.0P | 300 | 34 | 20 | 9 | 278 | 3-M12 | 60 |
| YSR-M260×4.0P | 310 | 34 | 22 | 10 | 288 | 3-M14 | 100 |
| YSR-M270×4.0P | 320 | 34 | 22 | 10 | 298 | 3-M14 | 100 |
| YSR-M280×4.0P | 330 | 34 | 22 | 10 | 308 | 3-M14 | 100 |
| YSR-M290×4.0P | 340 | 36 | 24 | 11 | 315 | 3-M14 | 100 |
| YSR-M300×4.0P | 350 | 36 | 24 | 11 | 325 | 3-M14 | 100 |
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