GB819 十字机平头螺钉-无锡市东明标准件有限公司手机版

详细介绍

对应标准数据参考
GB 819-1985 十字槽沉头螺钉 Cross Recessed Countersunk Head Screws
	尺寸单位: 毫米(mm)

公称长度L 注:下拉选择公称长度，可获得 螺纹长度

螺纹规格 d

M1.6

M2.5

M10

P		螺距
a		值
d_k	理论值	值
d_k	实际值	值
		最小值
k		值
x		值
槽号

0.35	0.4	0.45	0.5	0.7	0.8	1	1.25	1.5
0.7	0.8	0.9	1	1.4	1.6	2	2.5	3
3.6	4.4	5.5	6.3	9.4	10.4	12.6	17.3	20
3	3.8	4.7	5.5	8.4	9.3	11.3	15.8	18.3
2.7	3.5	4.4	5.2	8	8.9	10.9	15.4	17.8
1	1.2	1.5	1.65	2.7	2.7	3.3	4.65	5
0.9	1	1.1	1.25	1.75	2	2.5	3.2	3.8
0	0	1	1	2	2	3	4	4
1.6	1.9	2.9	3.2	4.6	5.2	6.8	8.9	10
1.8	2	3	3.2	4.6	5.1	6.8	9	10

螺纹长度b

①,无螺纹部分杆径≈中径或=螺纹大径
①,最小值

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详细介绍