公制螺纹6G常用规格极限尺寸表
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公制螺纹尺寸表
8.376 8.50 10.106 10.20 11.835 12.00 13.835 14.00 15.294 15.50 17.294 17.50 19.294 19.50 20.752 21.00 23.752 24.00
公制 外螺 纹 （6g ）常 用规 格极 限尺 寸表 （细 牙）
公称直径× 螺纹精 螺距 度等级
M3X0.35 M4X0.5 M5×0.5 M6×0.75 M8×0.75 M8×1 M10×0.75 M10×1 M10×1.25 M12×1 M12×1.25
大径
最大
最小
2.981 2.896
3.980 3.874
4.980 4.874
5.978 5.838
7.978 7.838
7.974 7.794
11.968 13.974 13.968 15.974 15.968 17.974 17.968 17.962 19.974 19.968 19.962 21.974 21.968 21.962 23.974 23.968 23.962 26.974 26.968 26.962
11.732 13.794 13.732 15.794 15.732 17.794 17.732 17.682 19.794 19.732 19.682 21.794 21.732 21.682 23.794 23.732 23.682 26.794 26.732 26.682
25.520 23.350
26.520 26.350
小径
攻丝前
钻头直
最大
最小
径
2.721 2.621 2.65
3.559 3.459 3.50
4.599 4.459 4.50
公制内外螺纹极限尺寸
20 10 30 20 18.376 18.600 17.294 17.744 20 10 30 19.96 19.623 18.334 18.164
22 10 30 22 20.376 20.600 19.294 19.744 22 10 30 21.96 21.623 20.334 20.164
19.216 18.376 18.913 17.835 21.216 20.376 20.913 19.835 22.925 21.835 25.925 24.835 28.925 27.835
18.676 18.210 20.767 20.210 22.210 25.210 28.210.
20×1.5 6 16 19.97 19.732 20×2 8 24 19.96 19.682 22×1.5 6 16 21.97 21.732 22×2 8 24 21.96 21.682 24×2 9 25 23.96 23.682 27×2 9 25 26.96 26.682 30×2 9 25 29.96 29.682
8 4 12 8 7.188 7.388 6.647 6.982
10 5 15 10 9.026 9.250 8.376 8.751
8g粗牙外螺纹极限尺寸
螺纹 公称直 旋合 径 M 长度
大径
中径
从 到 max min max min
5 3 8 4.976 4.740 4.456 4.306
6 3 9 5.974 5.694 5.324 5.144
11.113 12.966 14.966 16.656 18.656 20.656 22.386 25.386 28.082
10.106 11.835 13.835 15.294 17.294 19.294 20.752 23.752 26.211
公制螺纹常用规格极限尺寸表汇编
M6×0.75 M8×0.75
6.000 8.000
5.645 7.645
5.513 5.378 7.513 7.378
5.188 5.20 7.188 7.20
M8×1
8.000 7.500 7.350 7.153 6.917 7.00
M10×0.75
10.000 9.645 9.513 9.378 9.188 9.20
公制内螺纹6h常用规格极限尺寸表细牙公称直径螺距螺纹精度等级攻丝前钻头直径m1216h12000115101135011153109171100m1212512000113681118810912106471080m121512000112161102610676103761050m14114000135101335013153129171300m141514000132161302612676123761250m16116000155101535015153149171500m161516000152161502614676143761450m18118000175101735017153169171700m181518000172161702616676163761650m18218000169131670116210158351600m20120000195101935019153189171900m201520000192161902618676183761850m20220000189131870118210178351800m22122000215102135021153209172100m221522000212162102620676203762050m22222000209132070120210198352000m24124000255202335023153229172300m241524000232262302622676223762250m24224000229252270122210218352200m27127000265202635026153259172600m271527000262262602625676253762550m27227000259252570125210248352500小径最小最大最小最大最小m3056h30002775267525992459250m40740003663354534223242330m50850004605448043344134420m6160005500535051534917500m812580007348718869126647680m1015100009206902686768376850m1217512000110631086310441101061020m14214000129131270112210118351200m16
公制螺纹尺寸表
11.968 13.974 13.968 15.974 15.968 17.974 17.968 17.962 19.974 19.968 19.962 21.974 21.968 21.962 23.974 23.968 23.962 26.974 26.968 26.962
11.732 13.794 13.732 15.794 15.732 17.794 17.732 17.682 19.794 19.732 19.682 21.794 21.732 21.682 23.794 23.732 23.682 26.794 26.732 26.682
10.994 13.324 12.994 15.324 14.994 17.324 16.994 16.663 19.324 18.994 18.663 21.324 20.994 20.663 23.324 22.994 22.663 26.324 25.944 25.663
10.854 13.206 12.854 15.206 14.854 17.206 16.854 16.503 19.206 18.854 18.503 21.206 20.854 20.503 23.199 22.844 22.493 26.199 25.844 25.493
23.704 24.89 24.95
大径 最小
3.000 4.000 5.000 6.000 8.000
中径
最大
最小
2.775 2.675
3.663 3.545
4.605 4.480
5.500 5.350
7.348 7.188
小径
最大
最小
攻丝前钻头直径
2.599 2.459 2.50
3.422 3.242 3.30
公制外螺纹
4.63
M6×0.75
5.978
5.838
5.491
5.391
5.166
5.42
5.46
M8×0.75
7.978
7.838
7.491
7.391
7.166
7.42
7.46
M8×1
7.974
7.794
7.324
7.212
6.891
7.26
7.29
M10×0.75
9.978
9.838
9.491
9.391
9.166
19.732
18.994
18.854
18.344
18.90
18.95
M20×2
19.962
19.682
18.663
18.503
17.797
18.57
18.62
M22×1
21.974
21.794
21.324
21.206
20.891
21.24
21.29
M22×1.5
21.968
21.732
20.994
20.854
25.663
25.493
24.797
25.56
25.62
1.螺胚直径指滚丝前的尺寸，数值为依经验公式计算而得，在实践中需验证。
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11.160
11.028
10.619
11.08
11.12
M12×1.5
11.968
11.732
10.994
10.854
10.342
10.91
10.95
M14×1
13.974
M6×0.75
5.978
5.838
5.491
5.391
5.166
5.42
5.46
M8×0.75
7.978
7.838
7.491
7.391
7.166
7.42
7.46
M8×1
7.974
7.794
7.324
7.212
6.891
7.26
7.29
M10×0.75
9.978
9.838
9.491
9.391
9.166
19.732
18.994
18.854
18.344
18.90
18.95
M20×2
19.962
19.682
18.663
18.503
17.797
18.57
18.62
M22×1
21.974
21.794
21.324
21.206
20.891
21.24
21.29
M22×1.5
21.968
21.732
20.994
20.854
25.663
25.493
24.797
25.56
25.62
1.螺胚直径指滚丝前的尺寸，数值为依经验公式计算而得，在实践中需验证。
【复制标题和链接，发送给好友】
11.160
11.028
10.619
11.08
11.12
M12×1.5
11.968
11.732
10.994
10.854
10.342
10.91
10.95
M14×1
13.974