螺钉规格表

开槽圆柱头螺钉

螺纹规格d M4M5M6

P螺距0.70.81

b383838

dk78.510

k 2.6 3.3 3.9

n 1.2 1.2 1.6

r0.20.20.5

t 1.1 1.3 1.6

公称长度l5～406~508~60

开槽盘头螺钉

螺纹规格d M1.2M2M2.5M3M4M5M6

P螺距0.350.40.450.50.70.81

b25252525383838 dk 3.245 5.689.512 k1 1.3 1.5 1.8 2.43 3.6 n0.40.50.60.8 1.2 1.2 1.6 r0.10.10.10.10.20.20.25 t0.350.50.60.71 1.2 1.4公称长度l2~16 2.5~203~254~305~406~508~60

开槽沉头螺钉

螺纹规格d M1.6M2M2.5M3M4M5M6

P螺距0.350.40.450.50.70.81 b25252525383838 dk 3.6 4.4 5.5 6.39.410.412.6 k1 1.2 1.5 1.65 2.7 2.7 3.3 n0.40.50.60.8 1.2 1.2 1.6 r0.40.50.60.81 1.3 1.5 t0.50.60.750.85 1.3 1.4 1.6公称长度l 2.5~163~204~255~306~408~503~60

十字槽沉头螺钉

螺纹规格d M1.6M2M2.5M3M4M5M6

P螺距0.350.40.450.50.70.81 b0.70.80.91 1.4 1.62 dk25252525383838 k 3.6 4.4 5.5 6.39.41012.6 n1 1.2 1.5 1.65 2.742.7 3.3 r0.40.50.60.81 1.3 1.5 X0.91 1.1 1.25 1.752 2.5

内六角圆柱螺钉

螺纹规格d M3M4M5M6

P螺距0.50.70.81

b18202224

dk 5.57 2.510

k3456

t 1.32 2.53

s 2.5345

e 2.87 3.44 4.58 5.72

r0.10.20.20.25

公称长度l5~306~408~5010~60

六角头螺栓

螺纹规格d M5M6

s810

k 3.54

l0.20.25

e8.610.9

a 2.43

dw 6.78.7

公称长度l25~5030~60

六角螺栓细杆

螺纹规格d M3M4M5M6

s 5.57810 k2 2.8 3.54 r0.10.20.20.25 e67.58.610.9 b12141618 d1000 1.6公称长度l20~3020~4025~5025~70

小方头螺栓

螺纹规格d M5M6

b1618

e9.9312.53

k 3.54

r0.20.25

s810

公称长度l20~5030~60