YSF系列精密螺母锁定方式为螺纹半角30°角三点式锁定；本产品为本公司标准产品，其优异的锁定设计，能使固定铜上之螺纹，完全契合于公螺纹上，使其放松效果完美无缺更因为其30°角的设计，减少了因为锁紧螺丝因而产生的力距。 ( 此力距如果超过轴向负荷 )
- 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) | d (mm) | n-t×g | m | 螺钉拧紧力矩 (Nm) |
|---|---|---|---|---|---|---|
| YSF-M14×1.5P | 30 | 14 | 25 | 3-4×2 | M5 | 4.5 |
| YSF-M15×1.0P | 30 | 14 | 25 | 3-4×2 | M5 | 4.5 |
| YSF-M16×1.5P | 30 | 14 | 25 | 3-4×2 | M5 | 4.5 |
| YSF-M17×1.0P | 32 | 16 | 27 | 3-4×2 | M5 | 4.5 |
| YSF-M18×1.5P | 32 | 16 | 27 | 3-4×2 | M5 | 4.5 |
| YSF-M20×1.0P | 38 | 16 | 33 | 3-4×2 | M6 | 4.5 |
| YSF-M20×1.5P | 38 | 16 | 33 | 3-4×2 | M6 | 8 |
| YSF-M22×1.5P | 38 | 16 | 33 | 3-4×2 | M6 | 8 |
| YSF-M24×1.5P | 38 | 18 | 33 | 3-5×2 | M6 | 8 |
| YSF-M25×1.5P | 38 | 18 | 33 | 3-5×2 | M6 | 8 |
| YSF-M27×1.5P | 40 | 18 | 35 | 3-5×2 | M6 | 8 |
| YSF-M30×1.5P | 45 | 18 | 40 | 3-5×2 | M6 | 8 |
| YSF-M33×1.5P | 50 | 18 | 45 | 3-5×2 | M6 | 8 |
| YSF-M35×1.5P | 52 | 18 | 47 | 3-5×2 | M8 | 18 |
| YSF-M36×1.5P | 52 | 18 | 47 | 3-5×2 | M8 | 18 |
| YSF-M39×1.5P | 58 | 20 | 52 | 3-6×2.5 | M8 | 18 |
| YSF-M40×1.5P | 58 | 20 | 52 | 3-6×2.5 | M8 | 18 |
| YSF-M42×1.5P | 62 | 20 | 56 | 3-6×2.5 | M8 | 18 |
| YSF-M45×1.5P | 65 | 20 | 59 | 3-6×2.5 | M8 | 18 |
| YSF-M48×1.5P | 70 | 20 | 64 | 3-6×2.5 | M8 | 18 |
| YSF-M50×1.5P | 70 | 20 | 64 | 3-6×2.5 | M8 | 18 |
| YSF-M52×1.5P | 73 | 22 | 66 | 3-7×3 | M8 | 18 |
| YSF-M55×1.5P | 75 | 22 | 68 | 3-7×3 | M8 | 18 |
| YSF-M55×2.0P | 75 | 22 | 68 | 3-7×3 | M8 | 18 |
| YSF-M56×2.0P | 75 | 22 | 68 | 3-7×3 | M8 | 18 |
| YSF-M60×2.0P | 80 | 22 | 73 | 3-7×3 | M8 | 18 |
| YSF-M64×2.0P | 85 | 22 | 78 | 3-7×3 | M8 | 18 |
| YSF-M65×2.0P | 85 | 22 | 78 | 3-7×3 | M8 | 18 |
| YSF-M68×2.0P | 92 | 24 | 84 | 3-8×3.5 | M8 | 18 |
| YSF-M70×2.0P | 92 | 24 | 84 | 3-8×3.5 | M8 | 18 |
| YSF-M72×2.0P | 94 | 24 | 86 | 3-8×3.5 | M8 | 18 |
| YSF-M75×2.0P | 98 | 24 | 90 | 3-8×3.5 | M8 | 18 |
| YSF-M76×2.0P | 98 | 24 | 90 | 3-8×3.5 | M8 | 18 |
| YSF-M80×2.0P | 105 | 24 | 96 | 3-8×3.5 | M8 | 18 |
| YSF-M85×2.0P | 110 | 24 | 102 | 3-8×3.5 | M8 | 18 |
| YSF-M90×2.0P | 120 | 26 | 108 | 6-10×4 | M8 | 18 |
| YSF-M95×2.0P | 125 | 26 | 113 | 6-10×4 | M8 | 18 |
| YSF-M100×2.0P | 130 | 26 | 118 | 6-10×4 | M8 | 18 |
| YSF-M105×2.0P | 140 | 28 | 125 | 6-10×4 | M10 | 35 |
| YSF-M110×2.0P | 145 | 28 | 132 | 6-10×4 | M10 | 35 |
| YSF-M115×2.0P | 150 | 28 | 137 | 6-10×4 | M10 | 35 |
| YSF-M120×2.0P | 155 | 30 | 142 | 6-12×5 | M10 | 35 |
| YSF-M125×2.0P | 160 | 30 | 147 | 6-12×5 | M10 | 35 |
| YSF-M130×2.0P | 165 | 30 | 152 | 6-12×5 | M10 | 35 |
| YSF-M135×2.0P | 175 | 32 | 160 | 6-12×5 | M10 | 35 |
| YSF-M140×2.0P | 180 | 32 | 165 | 6-12×5 | M10 | 35 |
| YSF-M145×2.0P | 190 | 32 | 175 | 6-12×5 | M10 | 35 |
| YSF-M150×2.0P | 195 | 32 | 180 | 6-12×5 | M10 | 35 |
| YSF-M155×3.0P | 200 | 34 | 180 | 6-14×6 | M10 | 35 |
| YSF-M160×3.0P | 210 | 34 | 190 | 6-14×6 | M10 | 35 |
| YSF-M165×3.0P | 210 | 34 | 190 | 6-14×6 | M10 | 35 |
| YSF-M170×3.0P | 220 | 34 | 200 | 6-14×6 | M10 | 35 |
| YSF-M180×3.0P | 230 | 36 | 205 | 6-16×7 | M12 | 60 |
| YSF-M190×3.0P | 240 | 36 | 215 | 6-16×7 | M12 | 60 |
| YSF-M200×3.0P | 250 | 38 | 225 | 6-16×7 | M12 | 60 |
| YSF-M210×3.0P | 260 | 38 | 245 | 6-16×7 | M12 | 60 |
| YSF-M220×3.0P | 270 | 38 | 255 | 6-16×7 | M12 | 60 |
| YSF-M230×3.0P | 280 | 40 | 258 | 6-16×9 | M12 | 60 |
| YSF-M240×3.0P | 290 | 40 | 268 | 6-16×9 | M12 | 60 |
| YSF-M250×3.0P | 300 | 40 | 278 | 6-16×9 | M12 | 60 |
| YSF-M260×4.0P | 310 | 40 | 288 | 6-20×10 | M14 | 100 |
| YSF-M270×4.0P | 320 | 40 | 298 | 6-20×10 | M14 | 100 |
| YSF-M280×4.0P | 330 | 40 | 308 | 6-20×10 | M14 | 100 |
| YSF-M290×4.0P | 340 | 42 | 315 | 6-22×11 | M14 | 100 |
| YSF-M300×4.0P | 350 | 42 | 325 | 6-22×11 | M14 | 100 |
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