SF
SF型精密锁紧螺母,又称牙腹锁紧螺母,其锁紧螺钉采用30°斜角设计,结合三点式锁定结构,与螺纹角精准配合,使锁紧销上的螺纹能够完全贴合公螺纹,从而实现优异的防松效果。三个锁紧销呈等间距分布,其锁紧力不受螺母轴向负载的影响。锁紧后,螺纹面的轴向负荷保持恒定,因此螺母不易发生变形,确保了使用的稳定性和可靠性。
特征
- 本体材质:DIN 42CrMo4
- 表面处理:发黑
- 调质硬度:HRC28° ~32°
- 螺纹精度:ISO 4H
- 端面偏摆:精车-0.005; 研磨-0.002
| 订购型号 | SF-M12×1.5P | SF-M14×1.5P | SF-M15×1.0P | SF-M16×1.5P | SF-M17×1.0P | SF-M18×1.5P | SF-M20×1.0P | SF-M20×1.5P | SF-M22×1.5P | SF-M24×1.5P | SF-M24×1.5P-40 | SF-M25×1.5P | SF-M25×1.5P-40 | SF-M27×1.5P | SF-M30×1.5P | SF-M32×1.5P | SF-M33×1.5P | SF-M35×1.5P | SF-M36×1.5P | SF-M39×1.5P | SF-M40×1.5P | SF-M42×1.5P | SF-M45×1.5P | SF-M48×1.5P | SF-M50×1.5P | SF-M52×1.5P | SF-M55×1.5P | SF-M55×2.0P | SF-M56×1.5P | SF-M56×2.0P | SF-M58×1.5P | SF-M58×2.0P | SF-M60×2.0P | SF-M64×1.5P | SF-M64×2.0P | SF-M65×2.0P | SF-M68×2.0P | SF-M70×2.0P | SF-M72×2.0P | SF-M75×2.0P | SF-M76×2.0P | SF-M80×2.0P | SF-M85×2.0P | SF-M90×2.0P | SF-M95×2.0P | SF-M100×2.0P | SF-M105×2.0P | SF-M110×2.0P | SF-M115×2.0P | SF-M120×2.0P | SF-M125×2.0P | SF-M130×2.0P | SF-M135×2.0P | SF-M140×2.0P | SF-M145×2.0P | SF-M150×2.0P | SF-M155×3.0P | SF-M160×3.0P | SF-M165×3.0P | SF-M170×3.0P | SF-M180×3.0P | SF-M190×3.0P | SF-M200×3.0P | SF-M210×3.0P | SF-M220×3.0P | SF-M230×3.0P | SF-M240×3.0P | SF-M250×3.0P | SF-M260×4.0P | SF-M270×4.0P | SF-M280×4.0P | SF-M290×4.0P | SF-M300×4.0P | SF-M310×4.0P | SF-M320×4.0P | SF-M330×4.0P | SF-M340×4.0P | SF-M350×4.0P | SF-M360×4.0P | SF-M370×4.0P | SF-M380×4.0P | SF-M390×4.0P | SF-M400×4.0P | SF-M410×4.0P | SF-M420×4.0P | SF-M430×4.0P | SF-M440×4.0P | SF-M450×4.0P |
| 螺纹规格 | M12×1.5P | M14×1.5P | M15×1.0P | M16×1.5P | M17×1.0P | M18×1.5P | M20×1.0P | M20×1.5P | M22×1.5P | M24×1.5P | M24×1.5P | M25×1.5P | M25×1.5P | M27×1.5P | M30×1.5P | M32×1.5P | M33×1.5P | M35×1.5P | M36×1.5P | M39×1.5P | M40×1.5P | M42×1.5P | M45×1.5P | M48×1.5P | M50×1.5P | M52×1.5P | M55×1.5P | M55×2.0P | M56×1.5P | M56×2.0P | M58×1.5P | M58×2.0P | M60×2.0P | M64×1.5P | M64×2.0P | M65×2.0P | M68×2.0P | M70×2.0P | M72×2.0P | M75×2.0P | M76×2.0P | M80×2.0P | M85×2.0P | M90×2.0P | M95×2.0P | M100×2.0P | M105×2.0P | M110×2.0P | M115×2.0P | M120×2.0P | M125×2.0P | M130×2.0P | M135×2.0P | M140×2.0P | M145×2.0P | M150×2.0P | M155×3.0P | M160×3.0P | M165×3.0P | M170×3.0P | M180×3.0P | M190×3.0P | M200×3.0P | M210×3.0P | M220×3.0P | M230×3.0P | M240×3.0P | M250×3.0P | M260×4.0P | M270×4.0P | M280×4.0P | M290×4.0P | M300×4.0P | M310×4.0P | M320×4.0P | M330×4.0P | M340×4.0P | M350×4.0P | M360×4.0P | M370×4.0P | M380×4.0P | M390×4.0P | M400×4.0P | M410×4.0P | M420×4.0P | M430×4.0P | M440×4.0P | M450×4.0P |
| D | 30 | 30 | 30 | 30 | 32 | 32 | 38 | 38 | 38 | 38 | 40 | 38 | 40 | 40 | 45 | 47 | 50 | 52 | 52 | 58 | 58 | 62 | 65 | 70 | 70 | 73 | 75 | 75 | 75 | 75 | 80 | 80 | 80 | 85 | 85 | 85 | 92 | 92 | 94 | 98 | 98 | 105 | 110 | 120 | 125 | 130 | 140 | 145 | 150 | 155 | 160 | 165 | 175 | 180 | 190 | 195 | 200 | 210 | 210 | 220 | 230 | 240 | 250 | 260 | 270 | 280 | 290 | 300 | 310 | 320 | 330 | 340 | 350 | 365 | 375 | 385 | 395 | 405 | 415 | 425 | 435 | 445 | 465 | 475 | 485 | 495 | 505 | 515 |
| h | 14 | 14 | 14 | 14 | 16 | 16 | 16 | 16 | 16 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 20 | 20 | 20 | 20 | 20 | 20 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 26 | 26 | 26 | 28 | 28 | 28 | 30 | 30 | 30 | 32 | 32 | 32 | 32 | 34 | 34 | 34 | 34 | 36 | 36 | 38 | 38 | 38 | 40 | 40 | 40 | 40 | 40 | 40 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 44 | 44 | 44 | 44 | 44 | 46 | 46 | 46 | 46 | 46 |
| d | 25 | 25 | 25 | 25 | 27 | 27 | 33 | 33 | 33 | 33 | 35 | 33 | 35 | 35 | 40 | 42 | 45 | 47 | 47 | 52 | 52 | 56 | 59 | 64 | 64 | 68 | 68 | 68 | 68 | 68 | 73 | 73 | 73 | 78 | 78 | 78 | 84 | 84 | 86 | 90 | 90 | 96 | 102 | 108 | 113 | 118 | 125 | 132 | 137 | 142 | 147 | 152 | 160 | 165 | 175 | 180 | 180 | 190 | 190 | 200 | 205 | 215 | 225 | 245 | 255 | 258 | 268 | 278 | 288 | 298 | 308 | 315 | 325 | 340 | 350 | 360 | 370 | 380 | 388 | 398 | 408 | 418 | 438 | 444 | 454 | 464 | 474 | 484 |
| n×g | 3×4 | 3×4 | 3×4 | 3×4 | 3×5 | 3×5 | 3×5 | 3×5 | 3×5 | 3×5 | 3×5 | 3×5 | 3×5 | 3×5 | 3×5 | 3×5 | 3×5 | 3×6 | 3×6 | 3×6 | 3×6 | 3×6 | 3×6 | 3×6 | 3×6 | 3×8 | 3×8 | 3×8 | 3×8 | 3×8 | 3×8 | 3×8 | 3×8 | 3×8 | 3×8 | 3×8 | 3×8 | 3×8 | 3×8 | 3×8 | 3×8 | 3×8 | 6×8 | 6×10 | 6×10 | 6×10 | 6×10 | 6×10 | 6×10 | 6×12 | 6×12 | 6×12 | 6×12 | 6×12 | 6×12 | 6×12 | 6×14 | 6×14 | 6×14 | 6×14 | 6×16 | 6×16 | 6×16 | 6×16 | 6×16 | 6×16 | 6×16 | 6×16 | 6×20 | 6×20 | 6×20 | 6×22 | 6×22 | 6×24 | 6×24 | 6×24 | 6×24 | 6×24 | 6×26 | 6×26 | 6×26 | 6×26 | 6×30 | 6×30 | 6×30 | 6×30 | 6×30 | 6×30 |
| t | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 15 | 15 | 15 | 15 | 15 |
| 3-M | 3-M6 | 3-M6 | 3-M5 | 3-M5 | 3-M5 | 3-M5 | 3-M6 | 3-M6 | 3-M6 | 3-M6 | 3-M8 | 3-M6 | 3-M8 | 3-M6 | 3-M6 | 3-M6 | 3-M6 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M8 | 3-M10 | 3-M10 | 3-M10 | 3-M10 | 3-M10 | 3-M10 | 3-M10 | 3-M10 | 3-M10 | 3-M10 | 3-M10 | 3-M10 | 3-M10 | 3-M10 | 3-M12 | 3-M12 | 3-M12 | 3-M12 | 3-M12 | 3-M12 | 3-M12 | 3-M12 | 3-M14 | 3-M14 | 3-M14 | 3-M14 | 3-M14 | 3-M14 | 3-M14 | 3-M14 | 3-M14 | 3-M14 | 3-M16 | 3-M16 | 3-M16 | 3-M16 | 3-M16 | 3-M16 | 3-M16 | 3-M16 | 3-M16 | 3-M16 |
| 螺钉扭矩[Nm] | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 18 | 8 | 18 | 8 | 8 | 8 | 8 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 |
| 静态轴向载荷[kN] | 40 | 60 | 60 | 60 | 80 | 80 | 110 | 110 | 130 | 130 | 130 | 130 | 130 | 140 | 150 | 155 | 160 | 170 | 170 | 210 | 210 | 220 | 240 | 260 | 260 | 320 | 340 | 340 | 340 | 340 | 360 | 360 | 360 | 400 | 400 | 400 | 470 | 470 | 490 | 500 | 500 | 520 | 540 | 610 | 640 | 660 | 700 | 770 | 820 | 890 | 920 | 950 | 1000 | 1080 | 1130 | 1200 | 1280 | 1360 | 1400 | 1430 | 1600 | 1670 | 1850 | 2200 | 2200 | 2200 | 2300 | 2400 | 2500 | 2600 | 2850 | 2950 | 3100 | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| 重量[kg] | 0.06 | 0.054 | 0.049 | 0.051 | 0.075 | 0.093 | 0.1 | 0.101 | 0.083 | 0.09 | 0.09 | 0.092 | 0.092 | 0.095 | 0.12 | 0.12 | 0.151 | 0.156 | 0.152 | 0.215 | 0.21 | 0.25 | 0.26 | 0.31 | 0.292 | 0.339 | 0.35 | 0.35 | 0.322 | 0.322 | 0.366 | 0.366 | 0.366 | 0.413 | 0.413 | 0.398 | 0.55 | 0.518 | 0.524 | 0.568 | 0.553 | 0.662 | 0.69 | 0.964 | 0.99 | 1.07 | 1.315 | 1.402 | 1.51 | 1.6 | 1.661 | 1.84 | 2.322 | 2.31 | 2.884 | 2.941 | 3.15 | 3.6 | 3.424 | 3.97 | 4.37 | 4.551 | 4.83 | 5.2 | 5.513 | 5.619 | 5.98 | 6.23 | 6.459 | 6.865 | 7.28 | 7.532 | 7.78 | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
备注:
- 所有尺寸单位均为毫米(mm)。
- 可定制标准、非标及特殊螺母,规格涵盖 M5 至 M1000,并提供多种材质选择。
- 如需左旋螺纹,请在型号及螺距后标注“L”。(示例:SF-25×1.5P-L)
- 为避免锁紧螺母供应短缺,请提前下单。
- 技术参数如有变更,恕不另行通知。




