牙正好相反,是為了補充粗牙螺紋滿足不了的特殊使用要求而規(guī)定的,細(xì)牙螺紋也有螺距系列,主要用在液壓系統(tǒng)的公制管件,
機械傳動件,強度不足的薄壁件,受空間限制的機內(nèi)件及自鎖性要求較高的軸上等。
細(xì)牙規(guī)格 | 長度L(mm) | 自由狀態(tài)外徑 | |||||
1d | 1.5d | 2d | 2.5d | 3d | min | max | |
M8x1 | 8.0 | 12.0 | 16.0 | 20.0 | 24.0 | 9.70 | 10.25 |
M10x1 | 10.0 | 15.0 | 20.0 | 25.0 | 30.0 | 11.95 | 12.50 |
M10x1.25 | 10.0 | 15.0 | 20.0 | 25.0 | 30.0 | 12.10 | 12.65 |
M12x1.25 | 12.0 | 18.0 | 24.0 | 30.0 | 36.0 | 14.30 | 15.00 |
M12x1.5 | 12.0 | 18.0 | 24.0 | 30.0 | 36.0 | 14.25 | 14.95 |
M14x1.5 | 14.0 | 21.0 | 28.0 | 35.0 | 42.0 | 16.55 | 17.25 |
M16x1.5 | 16.0 | 24.0 | 32.0 | 40.0 | 48.0 | 18.90 | 19.60 |
M18x1.5 | 18.0 | 27.0 | 36.0 | 45.0 | 54.0 | 21.05 | 21.75 |
M20x1.5 | 20.0 | 30.0 | 40.0 | 50.0 | 60.0 | 23.15 | 24.00 |
M22x1.5 | 22.0 | 33.0 | 44.0 | 55.0 | 66.0 | 25.55 | 26.45 |
M18x2 | 18.0 | 27.0 | 36.0 | 45.0 | 54.0 | 21.15 | 21.85 |
M20x2 | 20.0 | 30.0 | 40.0 | 50.0 | 60.0 | 23.20 | 24.05 |
M22x2 | 22.0 | 33.0 | 44.0 | 55.0 | 66.0 | 25.60 | 26.50 |
M24x2 | 24.0 | 36.0 | 48.0 | 60.0 | 72.0 | 28.10 | 29.10 |
M27x2 | 27.0 | 40.5 | 54.0 | 67.5 | 81.0 | 31.30 | 32.30 |
M30x2 | 30.0 | 45.0 | 60.0 | 75.0 | 90.0 | 34.50 | 35.70 |
M33x2 | 33.0 | 49.5 | 66.0 | 82.5 | 99.0 | 37.80 | 39.20 |
M36x2 | 36.0 | 54.0 | 72.0 | 90.0 | 108.0 | 41.00 | 42.40 |
M39x2 | 39.0 | 58.5 | 78.0 | 97.5 | 117.0 | 44.30 | 45.70 |
M36x3 | 36.0 | 54.0 | 72.0 | 90.0 | 108.0 | 41.30 | 42.70 |
M39x3 | 39.0 | 58.5 | 78.0 | 97.5 | 117.0 | 44.40 | 45.80 |