圆螺母常与圆螺母用止动垫圈配用，装配时将垫圈内舌插入轴上的槽内，而将垫圈的外舌嵌入圆螺母的槽内，螺母即被锁紧。常作为滚动轴承的轴向固定。螺纹规格为M10×1～M200×3的圆螺母。螺纹规格D=M16×1.5、材料为45钢、槽或全部热处理后硬度HRC35～45、表面氧化的圆螺母的标记：螺母 GB/T 812-88 M16×1.5。中文名圆螺母所属类目机械零件分 类标准件螺纹规格M10×1～M200×3标准螺纹规格为M10×1～M200×3的圆螺母 [1] ：
| 螺纹规格D×P | dk | d1 | m | n | t | C | C1 | ||
| max | min | max | min | ||||||
| M10×1 | 22 | 16 | 8 | 4.3 | 4 | 2.6 | 2 | 0.5 | 0.5 |
| M12×1.25 | 25 | 19 | 8 | 4.3 | 4 | 2.6 | 2 | 0.5 | 0.5 |
| M14×1.5 | 28 | 20 | 8 | 4.3 | 5 | 2.6 | 2 | 0.5 | 0.5 |
| M16×1.5 | 30 | 22 | 8 | 5.3 | 5 | 3.1 | 2.5 | 0.5 | 0.5 |
| M18×1.5 | 32 | 24 | 8 | 5.3 | 5 | 3.1 | 2.5 | 0.5 | 0.5 |
| M20×1.5 | 35 | 27 | 8 | 5.3 | 5 | 3.1 | 2.5 | 0.5 | 0.5 |
| M22×1.5 | 38 | 30 | 10 | 5.3 | 5 | 3.1 | 2.5 | 1 | 0.5 |
| M24×1.5 | 42 | 34 | 10 | 5.3 | 5 | 3.1 | 2.5 | 1 | 0.5 |
| M25×1.5 | 42 | 34 | 10 | 5.3 | 5 | 3.1 | 2.5 | 1 | 0.5 |
| M27×1.5 | 45 | 37 | 10 | 5.3 | 5 | 3.1 | 2.5 | 1 | 0.5 |
| M30×1.5 | 48 | 40 | 10 | 5.3 | 5 | 3.1 | 2.5 | 1 | 0.5 |
| M33×1.5 | 52 | 43 | 10 | 6.3 | 6 | 3.6 | 3 | 1 | 0.5 |
| M35×1.5 | 52 | 43 | 10 | 6.3 | 6 | 3.6 | 3 | 1 | 0.5 |
| M36×1.5 | 55 | 46 | 10 | 6.3 | 6 | 3.6 | 3 | 1 | 0.5 |
| M39×1.5 | 58 | 49 | 10 | 6.3 | 6 | 3.6 | 3 | 1.5 | 0.5 |
| M40×1.5 | 58 | 49 | 10 | 6.3 | 6 | 3.6 | 3 | 1.5 | 0.5 |
| M42×1.5 | 62 | 53 | 10 | 6.3 | 6 | 3.6 | 3 | 1.5 | 0.5 |
| M45×1.5 | 68 | 59 | 10 | 6.3 | 6 | 3.6 | 3 | 1.5 | 0.5 |
| M48×1.5 | 72 | 61 | 12 | 8.36 | 8 | 4.25 | 3.5 | 1.5 | 0.5 |
| M50×1.5 | 72 | 61 | 12 | 8.36 | 8 | 4.25 | 3.5 | 1.5 | 0.5 |
| M52×1.5 | 78 | 67 | 12 | 8.36 | 8 | 4.25 | 3.5 | 1.5 | 0.5 |
| M55×2 | 78 | 67 | 12 | 8.36 | 8 | 4.25 | 3.5 | 1.5 | 0.5 |
| M56×2 | 85 | 74 | 12 | 8.36 | 8 | 4.25 | 3.5 | 1.5 | 1 |
| M60×2 | 90 | 79 | 12 | 8.36 | 8 | 4.25 | 3.5 | 1.5 | 1 |
| M64×2 | 95 | 84 | 12 | 8.36 | 8 | 4.25 | 3.5 | 1.5 | 1 |
| M65×2 | 95 | 84 | 12 | 8.36 | 8 | 4.25 | 3.5 | 1.5 | 1 |
| M68×2 | 100 | 88 | 12 | 10.36 | 10 | 4.75 | 4 | 1.5 | 1 |
| M72×2 | 105 | 93 | 15 | 10.36 | 10 | 4.75 | 4 | 1.5 | 1 |
| M75×2 | 105 | 93 | 15 | 10.36 | 10 | 4.75 | 4 | 1.5 | 1 |
| M76×2 | 110 | 98 | 15 | 10.36 | 10 | 4.75 | 4 | 1.5 | 1 |
| M80×2 | 115 | 103 | 15 | 10.36 | 10 | 4.75 | 4 | 1.5 | 1 |
| M85×2 | 120 | 108 | 15 | 10.36 | 10 | 4.75 | 4 | 1.5 | 1 |
| M90×2 | 125 | 112 | 18 | 12.43 | 12 | 5.75 | 5 | 1.5 | 1 |
| M95×2 | 130 | 117 | 18 | 12.43 | 12 | 5.75 | 5 | 1.5 | 1 |
| M100×2 | 135 | 122 | 18 | 12.43 | 12 | 5.75 | 5 | 1.5 | 1 |
| M105×2 | 140 | 127 | 18 | 12.43 | 12 | 5.75 | 5 | 1.5 | 1 |
| M110×2 | 150 | 135 | 18 | 14.43 | 14 | 6.75 | 6 | 1.5 | 1 |
| M115×2 | 155 | 140 | 22 | 14.43 | 14 | 6.75 | 6 | 1.5 | 1 |
| M120×2 | 160 | 145 | 22 | 14.43 | 14 | 6.75 | 6 | 1.5 | 1 |
| M125×2 | 165 | 150 | 22 | 14.43 | 14 | 6.75 | 6 | 1.5 | 1 |
| M130×2 | 170 | 155 | 22 | 14.43 | 14 | 6.75 | 6 | 1.5 | 1 |
| M140×2 | 180 | 165 | 26 | 14.43 | 14 | 6.75 | 6 | 1.5 | 1 |
| M150×2 | 200 | 180 | 26 | 16.43 | 16 | 7.9 | 7 | 1.5 | 1 |
| M160×3 | 210 | 190 | 26 | 16.43 | 16 | 7.9 | 7 | 2 | 1.5 |
| M170×3 | 220 | 200 | 26 | 16.43 | 16 | 7.9 | 7 | 2 | 1.5 |
| M180×3 | 230 | 210 | 30 | 16.43 | 16 | 7.9 | 7 | 2 | 1.5 |
| M190×3 | 240 | 220 | 30 | 16.43 | 16 | 7.9 | 7 | 2 | 1.5 |
| M200×3 | 250 | 230 | 30 | 16.43 | 16 | 7.9 | 7 | 2 | 1.5 |
M100及以下的槽数为4个，M105及以上的槽数为6个。
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