JIS B0211
JIS B0211-1997 中文版 公制细牙螺纹尺寸和公差
配合精度：中牙 公差等级：6H
单位：mm
螺纹规格 M25×1.5 M25×1 M26×1.5 M27×2 M27×1.5 M27×1 M28×2 M28×1.5 M28×1 M30×3 M30×2 M30×1.5 M30×1 M32×2 M32×1.5 M33×3 M33×2 M33×1.5 M35×1.5 M36×3 M36×2 M36×1.5 M38×1.5 M39×3 M39×2 M39×1.5 M40×3 M40×2 M40×1.5 M42×4 M42×3 M42×2 M42×1.5 M45×4 M45×3 M45×2 M45×1.5 M48×4 M48×3 M48×2 M48×1.5 M50×3 M50×2
公差等级
基本偏差EI
大径 Dmax
Dmin
D2max24.22624.52025.22625.92526.22626.52026.92527.22627.52028.31628.92529.22629.52030.92531.22631.31631.92532.22634.22634.31634.92535.22637.22637.31637.92538.22638.31638.92539.22639.70240.31640.92541.22642.70243.31643.92544.22645.71746.33146.93747.23848.33148.937
中径 D2min24.02624.35025.02625.70126.02626.35026.70127.02627.35028.05128.70129.02629.35030.70131.02631.05131.70132.02634.02634.05134.70135.02637.02637.05137.70138.02638.05138.70139.02639.40240.05140.70141.02642.40243.05143.70144.02645.40246.05146.70147.02648.05148.701
TD2 0.2000.1700.2000.2240.2000.1700.2240.2000.1700.2650.2240.2000.1700.2240.2000.2650.2240.2000.2000.2650.2440.2000.2000.2650.2240.2000.2650.2240.2000.3000.2650.2240.2000.3000.2650.2240.2000.3150.2800.2360.2120.2800.236
D1max23.67624.15324.67625.21025.67626.15326.21026.67627.15327.25228.21028.67629.15330.21030.67630.25231.21031.67633.67633.25234.21034.67636.67636.25237.21037.67637.25238.21038.67638.27039.25240.21040.67641.27042.25243.21043.67644.27045.25246.21046.67647.25248.210
小径 D1min 23.376 23.917 24.376 24.835 25.376 25.917 25.835 26.376 26.917 26.752 27.835 28.376 28.917 29.835 30.376 29.752 30.835 31.376 33.376 32.752 33.835 34.376 36.376 35.752 36.835 37.376 36.752 37.835 38.376 37.670 38.752 39.835 40.376 40.670 41.752 42.835 43.376 43.670 44.752 45.835 46.376 46.752 47.835
TD1 0.300 0.236 0.300 0.375 0.300 0.236 0.375 0.300 0.236 0.500 0.375 0.300 0.236 0.375 0.300 0.500 0.375 0.300 0.300 0.500 0.375 0.300 0.300 0.500 0.375 0.300 0.500 0.375 0.300 0.600 0.500 0.375 0.300 0.600 0.500 0.375 0.300 0.600 0.500 0.375 0.300 0.500 0.375
啮合距离（4）超过 6.3 4 6.3 8.5 6.36 4 8.5 6.3 4 12 8.5 6.3 4 8.5 6.3 12 8.5 6.3 6.3 12 8.5 6.3 6.3 12 8.5 6.3 12 8.5 6.3 18 12 8.5 6.3 18 12 8.5 6.3 19 15 9.5 7.5 15 9.5
最大19 12 19 25 19 12 25 19*12 36 25 19 12 25 19 36 25 19 19 36 25 19 19 36 25 19 36 25 19 53 36 25 19 53 36 25 19 56 45 28 22 45 28
未规
定 未规定（3）
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