通过径向防松销锁紧锁紧螺母ZM和ZMA借助防松销防松锁定，ZMA是重载系列。防松销和锁紧螺母的内螺纹一起加工，因此其跳动精度非常高。它们与轴上螺纹啮合而不会影响或损害螺纹的跳动精度，防松销靠内六角紧定螺钉压紧，内六角紧定螺钉与防松销对应同心分布。
锁紧螺母ZM和ZMA使用力矩扳手并通过螺母圆周上的四个槽来拧紧，然后使用内六角扳手交替拧紧这两个紧定螺钉。拆卸时，首先松开两个紧定螺钉，然后用塑料榔头敲击锁紧螺母外表面（在螺纹孔附近）来松开防松销，可以很容易地松开锁紧螺母而不损坏轴颈螺纹。
- 螺纹端跳：0.005mm
- 螺纹精度：5H DIN13 T21-24
| 零件型号 | d 螺纹直径×螺距 | D (mm) | h (mm) | b (mm) | t (mm) | d1 (mm) | c (mm) | m | 螺钉拧紧力矩 (Nm) | 轴向断裂载荷 (N) | 起动力矩 (Nm) | 参考拧紧力矩 (Nm) | 质量惯性矩 (kg·cm2) | 质量 (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ZM06 | M6×0.5P | 16 | 8 | 3 | 2 | 11 | 4 | M4 | 1 | 17 000 | 20 | 2 | 0.004 | 0.01 |
| ZM08 | M8×0.75P | 16 | 8 | 3 | 2 | 11 | 4 | M4 | 1 | 23 000 | 25 | 4 | 0.004 | 0.01 |
| ZM10 | M10×1.0P | 18 | 8 | 3 | 2 | 14 | 4 | M4 | 1 | 31 000 | 30 | 6 | 0.006 | 0.01 |
| ZM12 | M12×1.0P | 22 | 8 | 3 | 2 | 18 | 4 | M4 | 1 | 38 000 | 30 | 8 | 0.013 | 0.015 |
| ZM15 | M15×1.0P | 25 | 8 | 3 | 2 | 21 | 4 | M4 | 1 | 50 000 | 30 | 10 | 0.021 | 0.018 |
| ZMA15/33 | M15×1.0P | 33 | 16 | 4 | 2 | 28 | 8 | M5 | 3 | 106 000 | 30 | 10 | 0.14 | 0.08 |
| ZM17 | M17×1.0P | 28 | 10 | 4 | 2 | 23 | 5 | M5 | 3 | 57 000 | 30 | 15 | 0.401 | 0.028 |
| ZM20 | M20×1.0P | 32 | 10 | 4 | 2 | 27 | 5 | M5 | 3 | 69 000 | 40 | 18 | 0.068 | 0.035 |
| ZMA20/38 | M20×1.0P | 38 | 20 | 5 | 2 | 33 | 10 | M5 | 3 | 174 000 | 40 | 18 | 0.297 | 0.12 |
| ZMA20/52 | M20×1.0P | 52 | 25 | 5 | 2 | 47 | 12.5 | M5 | 3 | 218 000 | 40 | 18 | 1.38 | 0.32 |
| ZMA20/52-1.5 | M20×1.5P | 52 | 25 | 5 | 2 | 47 | 12.5 | M5 | 3 | 218 000 | 40 | 18 | 1.38 | 0.32 |
| ZM25 | M25×1.5P | 38 | 12 | 5 | 2 | 33 | 6 | M6 | 5 | 90 000 | 60 | 25 | 0.157 | 0.055 |
| ZMA25/45 | M25×1.5P | 45 | 20 | 5 | 2 | 40 | 10 | M6 | 5 | 211 000 | 60 | 25 | 0.572 | 0.16 |
| ZMA25/58 | M25×1.5P | 58 | 28 | 6 | 2.5 | 52 | 14 | M6 | 5 | 305 000 | 60 | 25 | 2.36 | 0.43 |
| ZM30 | M30×1.5P | 45 | 12 | 5 | 2 | 40 | 6 | M6 | 5 | 112 000 | 70 | 32 | 0.304 | 0.075 |
| ZMA30/52 | M30×1.5P | 52 | 22 | 5 | 2 | 47 | 11 | M6 | 5 | 270 000 | 70 | 32 | 1.1 | 0.22 |
| ZMA30/65 | M30×1.5P | 65 | 30 | 6 | 2.5 | 59 | 15 | M6 | 5 | 390 000 | 70 | 32 | 3.94 | 0.55 |
| ZM35 | M35×1.5P | 52 | 12 | 5 | 2 | 47 | 6 | M6 | 5 | 134 000 | 80 | 40 | 0.537 | 0.099 |
| ZMA35/58 | M35×1.5P | 58 | 22 | 6 | 2.5 | 52 | 11 | M6 | 5 | 300 000 | 80 | 40 | 1.66 | 0.26 |
| ZMA35/70 | M35×1.5P | 70 | 30 | 6 | 2.5 | 64 | 15 | M6 | 5 | 460 000 | 80 | 40 | 5.2 | 0.61 |
| ZM40 | M40×1.5P | 58 | 14 | 6 | 2.5 | 52 | 7 | M6 | 5 | 157 000 | 95 | 55 | 0.945 | 0.14 |
| ZMA40/62 | M40×1.5P | 62 | 22 | 6 | 2.5 | 56 | 11 | M8 | 15 | 310 000 | 95 | 55 | 2.07 | 0.27 |
| ZMA40/75 | M40×1.5P | 75 | 30 | 6 | 2.5 | 69 | 15 | M8 | 15 | 520 000 | 95 | 55 | 6.72 | 0.67 |
| ZM45 | M45×1.5P | 65 | 14 | 6 | 2.5 | 59 | 7 | M6 | 5 | 181 000 | 110 | 65 | 1.48 | 0.17 |
| ZMA45/68 | M45×1.5P | 68 | 24 | 6 | 2.5 | 62 | 12 | M8 | 15 | 360 000 | 110 | 65 | 3.2 | 0.35 |
| ZMA45/85 | M45×1.5P | 85 | 32 | 7 | 3 | 78 | 16 | M8 | 15 | 630 000 | 110 | 65 | 11.9 | 0.92 |
| ZM50 | M50×1.5P | 70 | 14 | 6 | 2.5 | 64 | 7 | M6 | 5 | 205 000 | 130 | 85 | 1.92 | 0.19 |
| ZMA50/75 | M50×1.5P | 75 | 25 | 6 | 2.5 | 68 | 12.5 | M8 | 15 | 415 000 | 130 | 85 | 4.89 | 0.43 |
| ZMA50/92 | M50×1.5P | 92 | 32 | 8 | 3.5 | 84 | 16 | M8 | 15 | 680 000 | 130 | 85 | 16.1 | 1.06 |
| ZM55 | M55×2.0P | 75 | 16 | 7 | 3 | 68 | 8 | M6 | 5 | 229 000 | 150 | 95 | 2.77 | 0.23 |
| ZMA55/98 | M55×2.0P | 98 | 32 | 8 | 3.5 | 90 | 16 | M8 | 15 | 620 000 | 150 | 95 | 20.5 | 1.17 |
| ZM60 | M60×2.0P | 80 | 16 | 7 | 3 | 73 | 8 | M6 | 5 | 255 000 | 180 | 100 | 3.45 | 0.25 |
| ZMA60/98 | M60×2.0P | 98 | 32 | 8 | 3.5 | 90 | 16 | M8 | 15 | 680 000 | 180 | 100 | 19.6 | 1.07 |
| ZM65 | M65×2.0P | 85 | 16 | 7 | 3 | 78 | 8 | M6 | 5 | 280 000 | 200 | 120 | 4.24 | 0.27 |
| ZMA65/105 | M65×2.0P | 105 | 32 | 8 | 3.5 | 97 | 16 | M8 | 15 | 750 000 | 200 | 120 | 25.6 | 1.21 |
| ZM70 | M70×2.0P | 92 | 18 | 8 | 3.5 | 85 | 9 | M8 | 15 | 305 000 | 220 | 130 | 6.61 | 0.36 |
| ZMA70/110 | M70×2.0P | 110 | 35 | 8 | 3.5 | 102 | 17.5 | M8 | 15 | 810 000 | 220 | 130 | 33 | 1.4 |
| ZM75 | M75×2.0P | 98 | 18 | 8 | 3.5 | 90 | 9 | M8 | 15 | 331 000 | 260 | 150 | 8.41 | 0.4 |
| ZMA75/125 | M75×2.0P | 125 | 38 | 8 | 3.5 | 117 | 19 | M8 | 15 | 880 000 | 260 | 150 | 62.2 | 2.11 |
| ZM80 | M80×2.0P | 105 | 18 | 8 | 3.5 | 95 | 9 | M8 | 15 | 355 000 | 285 | 160 | 11.2 | 0.46 |
| ZMA80/120 | M80×2.0P | 120 | 35 | 8 | 4 | 105 | 17.5 | M8 | 15 | 810 000 | 285 | 160 | 44.6 | 1.33 |
| ZM85 | M85×2.0P | 110 | 18 | 8 | 3.5 | 102 | 9 | M8 | 15 | 385 000 | 320 | 190 | 13.1 | 0.49 |
| ZM90 | M90×2.0P | 120 | 20 | 10 | 4 | 108 | 10 | M8 | 15 | 410 000 | 360 | 200 | 21.8 | 0.7 |
| ZMA90/130 | M90×2.0P | 130 | 38 | 10 | 4 | 120 | 19 | M8 | 15 | 910 000 | 360 | 200 | 64.1 | 2.01 |
| ZMA90/155 | M90×2.0P | 155 | 38 | 10 | 4 | 146 | 19 | M8 | 15 | 1 080 000 | 360 | 200 | 150 | 3.36 |
| ZM100 | M100×2.0P | 130 | 20 | 10 | 4 | 120 | 10 | M8 | 15 | 465 000 | 425 | 250 | 28.6 | 0.77 |
| ZMA100/140 | M100×2.0P | 140 | 38 | 12 | 5 | 128 | 19 | M10 | 20 | 940 000 | 425 | 250 | 82.8 | 2.23 |
| ZM105 | M105×2.0P | 140 | 22 | 12 | 5 | 126 | 11 | M10 | 20 | 495 000 | 475 | 300 | 44.5 | 1.05 |
| ZM110 | M110×2.0P | 145 | 22 | 12 | 5 | 133 | 11 | M10 | 20 | 520 000 | 510 | 350 | 50.1 | 1.09 |
| ZM115 | M115×2.0P | 150 | 22 | 12 | 5 | 137 | 11 | M10 | 20 | 550 000 | 550 | 400 | 56.2 | 1.13 |
| ZM120 | M120×2.0P | 155 | 24 | 12 | 5 | 138 | 12 | M10 | 20 | 580 000 | 600 | 450 | 68.4 | 1.28 |
| ZM125 | M125×2.0P | 160 | 24 | 12 | 5 | 148 | 12 | M10 | 20 | 610 000 | 640 | 500 | 76.1 | 1.33 |
| ZM130 | M130×2.0P | 165 | 24 | 12 | 5 | 149 | 12 | M10 | 20 | 630 000 | 700 | 550 | 84.3 | 1.36 |
| ZM140 | M140×2.0P | 180 | 26 | 14 | 6 | 160 | 13 | M12 | 38 | 690 000 | 800 | 600 | 133 | 1.85 |
| ZM150 | M150×2.0P | 195 | 26 | 14 | 6 | 171 | 13 | M12 | 38 | 750 000 | 900 | 650 | 188 | 2.24 |
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