普通螺纹公差
表
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7h-8g(套筒、锚栓)
唐山市华运铁路交通器材有限公司
常用米制普通螺纹加工尺寸表(mm)
内螺纹 外螺纹 螺纹规格 备注 大徑 小径 攻丝前 大徑 小径 攻丝前
底孔直径 光杆直径 D D2 D2 d d d1
(参考) (参考) 最小 最大 最小 最大 最小 最大 M20x2.5 20 17.85 17.29 17.5 19.96 19.43 17.25 19.7 M24x3 24 21.38 20.75 21 23.95 23.35 20.7 23.6 M27x3 27 24.38 23.75 24 26.95 26.35 23.7 26.6 M30x3 30 27.38 26.75 27 29.95 29.35 26.7 29.6 M30x3.5 30 26.92 26.21 26.5 29.95 29.28 26.16 29.5 M33x3 33 30.38 29.75 30 32.95 32.35 29.7 32.6 M33x3.5 33 29.92 29.21 29.5 32.95 32.28 29.16 32.5 M36x3 36 33.38 32.75 33 35.95 35.35 32.7 35.6 M36x4 36 32.42 31.67 32 35.94 35.19 31.61 35.5 M39x3 39 36.38 35.75 36 38.95 38.35 35.7 38.6 M39x4 39 35.42 34.67 35 38.94 38.19 34.61 38.5 M42x3 42 39.38 38.75 39 41.95 41.35 38.7 41.6 M42x4.5 42 37.98 37.13 37.5 41.94 41.14 37.07 41.4 M45x1.5 45 43.76 43.38 43.5 44.97 44.59 43.34 44.8 M45x3 45 42.38 41.75 42 44.95 44.35 41.7 44.6 M45x4.5 45 40.98 40.13 40.5 44.94 44.14 40.07 44.4 M48x3 48 45.38 44.75 45 47.95 47.35 44.7 47.6 M48x5 48 43.49 42.59 43 47.93 47.08 42.52 47.4 M52x3 52 49.38 48.75 49 51.95 51.35 48.7 51.6 M52x5 52 47.85 46.59 47 51.93 51.08 46.52 51.4 M56x2 56 54.32 53.84 54 55.96 55.51 53.8 55.7 M56x3 56 53.38 52.75 53 55.95 55.35 52.7 55.6 M56x5.5 56 51 50.05 50.5 55.93 55.03 49.97 55.3 M60x3 60 57.38 56.75 57 59.95 59.35 56.7 59.6 M60x5.5 60 55 54.05 54.5 59.93 59.03 53.97 59.3 M64x4 64 60.42 59.67 60 63.94 63.19 59.61 63.5 M64x6 64 58.51 57.51 58 63.92 62.97 57.43 63.2 M68x4 68 64.42 63.67 64 67.94 67.19 63.61 67.5 M72x4 72 68.42 67.67 68 71.94 71.19 67.61 71.5 M72x6 72 66.51 65.51 66 71.92 70.97 65.43 71.2 M76x4 76 72.42 71.67 72 75.94 75.19 71.61 75.5 M80x4 80 76.42 75.67 76 79.94 79.19 75.61 79.5 M80x6 80 74.51 73.51 74 79.92 78.97 73.43 79.2 M85x4 85 81.42 80.67 81 84.94 84.19 80.61 84.5 M85x6 85 79.51 78.51 79 84.92 83.97 78.43 84.2 M90x6 90 84.51 83.51 84 89.92 88.97 83.43 89.2 M95x6 95 89.51 88.51 89 94.92 93.97 88.43 94.2 M100x6 100 94.51 93.51 94 99.92 98.97 93.43 99.2 注:适用于碳钢件,螺纹配合公差7H/8g 日期:2009-7-7