MRZ系列螺母的螺牙及贴合平面为精密车削加工，其紧定螺钉之固锁方向为径向锁定，适用于设计或装配上空间的限制，用以取代30°锁定系列之精密螺母。
可免除锁定垫片及键槽之需要。
容易组装及拆卸。
组装程序正确可重複使用。
- 材质：SCM440
- 硬度：HRC28°~32°
- 精度：ISO-4H
- 牙面垂直度偏摆：0.005mm
| 零件型号 | d1 ISO-4H | D (mm) | h (mm) | d (mm) | d2 (mm) | n | g (mm) | t (mm) | 3-M | 螺钉拧紧力矩 (Nm) |
|---|---|---|---|---|---|---|---|---|---|---|
| MRZ6×0.5P | M6×0.5P | 16 | 8 | 11 | - | 3 | 3 | 2 | M4 | 2.2 |
| MRZ8×0.75P | M8×0.75P | 16 | 8 | 11 | - | 3 | 3 | 2 | M4 | 2.2 |
| MRZ8×1.0P | M8×1.0P | 16 | 8 | 11 | - | 3 | 3 | 2 | M4 | 2.2 |
| MRZ10×0.75P | M10×0.75P | 18 | 8 | 13 | - | 3 | 3 | 2 | M4 | 2.2 |
| MRZ10×1.0P | M10×1.0P | 18 | 8 | 13 | - | 3 | 3 | 2 | M4 | 2.2 |
| MRZ12×1.0P | M12×1.0P | 20 | 8 | 18 | - | 3 | 3 | 2 | M4 | 2.2 |
| MRZ15×1.0P | M15×1.0P | 25 | 8 | 21 | - | 3 | 3 | 2 | M4 | 2.2 |
| MRZ17×1.0P | M17×1.0P | 28 | 10 | 23 | - | 3 | 4 | 2 | M5 | 4.8 |
| MRZ20×1.0P | M20×1.0P | 32 | 10 | 27 | - | 3 | 4 | 2 | M5 | 4.8 |
| MRZ20×1.5P | M20×1.5P | 32 | 10 | 27 | - | 3 | 4 | 2 | M5 | 4.8 |
| MRZ25×1.5P | M25×1.5P | 38 | 12 | 33 | 26 | 3 | 5 | 2 | M6 | 8 |
| MRZ30×1.5P | M30×1.5P | 45 | 12 | 40 | 31 | 3 | 5 | 2 | M6 | 8 |
| MRZ35×1.5P | M35×1.5P | 52 | 12 | 47 | 36 | 3 | 5 | 2 | M6 | 8 |
| MRZ40×1.5P | M40×1.5P | 58 | 14 | 52 | 41 | 3 | 6 | 2.5 | M6 | 8 |
| MRZ45×1.5P | M45×1.5P | 65 | 14 | 59 | 46 | 3 | 6 | 2.5 | M6 | 8 |
| MRZ50×1.5P | M50×1.5P | 70 | 14 | 64 | 51 | 3 | 6 | 2.5 | M6 | 8 |
| MRZ55×1.5P | M55×1.5P | 75 | 16 | 68 | 56 | 3 | 7 | 3 | M8 | 19 |
| MRZ55×2.0P | M55×2.0P | 75 | 16 | 68 | 56 | 3 | 7 | 3 | M8 | 19 |
| MRZ60×1.5P | M60×1.5P | 80 | 16 | 73 | 61 | 3 | 7 | 3 | M8 | 19 |
| MRZ60×2.0P | M60×2.0P | 80 | 16 | 73 | 61 | 3 | 7 | 3 | M8 | 19 |
| MRZ65×1.5P | M65×1.5P | 85 | 16 | 78 | 66 | 3 | 7 | 3 | M8 | 19 |
| MRZ65×2.0P | M65×2.0P | 85 | 16 | 78 | 66 | 3 | 7 | 3 | M8 | 19 |
| MRZ70×1.5P | M70×1.5P | 92 | 18 | 84 | 71 | 3 | 8 | 3.5 | M8 | 19 |
| MRZ70×2.0P | M70×2.0P | 92 | 18 | 84 | 71 | 3 | 8 | 3.5 | M8 | 19 |
| MRZ75×1.5P | M75×1.5P | 98 | 18 | 90 | 76 | 3 | 8 | 3.5 | M8 | 19 |
| MRZ75×2.0P | M75×2.0P | 98 | 18 | 90 | 76 | 3 | 8 | 3.5 | M8 | 19 |
| MRZ80×2.0P | M80×2.0P | 105 | 18 | 96 | 81 | 3 | 8 | 3.5 | M8 | 19 |
| MRZ85×2.0P | M85×2.0P | 112 | 18 | 104 | 86 | 3 | 8 | 3.5 | M8 | 19 |
| MRZ90×2.0P | M90×2.0P | 118 | 20 | 108 | 91 | 3 | 10 | 4 | M8 | 19 |
| MRZ95×2.0P | M95×2.0P | 123 | 20 | 113 | 96 | 3 | 10 | 4 | M8 | 19 |
| MRZ100×2.0P | M100×2.0P | 128 | 20 | 118 | 101 | 3 | 10 | 4 | M8 | 19 |
| MRZ105×2.0P | M105×2.0P | 137 | 20 | 125 | 106 | 6 | 10 | 4 | M8 | 19 |
| MRZ110×2.0P | M110×2.0P | 145 | 24 | 132 | 111 | 6 | 12 | 5 | M8 | 19 |
| MRZ115×2.0P | M115×2.0P | 150 | 24 | 137 | 116 | 6 | 12 | 5 | M8 | 19 |
| MRZ120×2.0P | M120×2.0P | 155 | 24 | 142 | 121 | 6 | 12 | 5 | M8 | 19 |
| MRZ125×2.0P | M125×2.0P | 160 | 24 | 147 | 126 | 6 | 12 | 5 | M8 | 19 |
| MRZ130×2.0P | M130×2.0P | 165 | 24 | 152 | 131 | 6 | 12 | 5 | M8 | 19 |
| MRZ135×2.0P | M135×2.0P | 175 | 24 | 160 | 136 | 6 | 12 | 5 | M8 | 19 |
| MRZ140×2.0P | M140×2.0P | 180 | 26 | 165 | 141 | 6 | 12 | 5 | M10 | 36 |
| MRZ145×2.0P | M145×2.0P | 190 | 26 | 175 | 146 | 6 | 12 | 5 | M10 | 36 |
| MRZ150×2.0P | M150×2.0P | 195 | 26 | 180 | 151 | 6 | 12 | 5 | M10 | 36 |
| MRZ155×3.0P | M155×3.0P | 200 | 28 | 180 | 156 | 6 | 12 | 5 | M10 | 36 |
| MRZ160×3.0P | M160×3.0P | 210 | 28 | 190 | 161 | 6 | 12 | 5 | M10 | 36 |
| MRZ165×3.0P | M165×3.0P | 215 | 28 | 195 | 166 | 6 | 12 | 5 | M10 | 36 |
| MRZ170×3.0P | M170×3.0P | 220 | 28 | 200 | 171 | 6 | 12 | 5 | M10 | 36 |
| MRZ180×3.0P | M180×3.0P | 230 | 30 | 210 | 181 | 6 | 12 | 5 | M10 | 36 |
| MRZ190×3.0P | M190×3.0P | 240 | 30 | 220 | 191 | 6 | 12 | 5 | M10 | 36 |
| MRZ200×3.0P | M200×3.0P | 250 | 30 | 230 | 201 | 6 | 12 | 5 | M10 | 36 |
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