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紧固件. ISO米制外螺纹用螺纹退刀槽 ISO 4755 - 1983

紧固件. ISO米制外螺纹用螺纹退刀槽
P 螺距 dg(h12/h13) g1min g2max(≈3P) r ≈
0.25 d - 0.4 0.4 0.75 0.12
0.3 d - 0.5 0.5 0.9 0.16
0.35 d - 0.6 0.6 1.05 0.16
0.4 d - 0.7 0.6 1.2 0.2
0.45 d - 0.7 0.7 1.35 0.2
0.5 d - 0.8 0.8 1.5 0.2
0.6 d - 1 0.9 1.8 0.4
0.7 d - 1.1 1.1 2.1 0.4
0.75 d - 1.2 1.2 2.25 0.4
0.8 d - 1.3 1.3 2.4 0.4
1 d - 1.6 1.6 3 0.6
1.25 d - 2 2 3.75 0.6
1.5 d - 2.3 2.5 4.5 0.8
1.75 d - 2.6 3 5.25 1
2 d - 3 3.4 6 1
2.5 d - 3.6 4.4 7.5 1.2
3 d - 4.4 5.2 9 1.6
3.5 d - 5 6.2 10.5 1.6
4 d - 5.7 7 12 2
4.5 d - 6.4 8 13.5 2.5
5 d - 7 9 15 2.5
5.5 d - 7.7 11 17.5 3.2
6 d - 8.3 11 18 3.2
①, h12 up to and including 3 mm thread diameter.
②, g1 min. based on a minimum transition angle of 30℃.
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