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十字槽半沉头螺钉 GB 820 - 1985

选择规格尺寸 点击↓

M1.6

M2

M2.5

M3

M4

M5

M6

M8

M10

括号内尺寸为非优选
GB  820 - 1985 十字槽半沉头螺钉

尺寸单位: mm
国标GB 820 - 1985 GB820 820GB 十字槽半沉头螺钉
国标GB 820 - 1985 GB820 820GB 十字槽半沉头螺钉
GB  820 - 1985 十字槽半沉头螺钉
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公称长度L 注:选择后获得 螺纹长度
螺纹规格
d
M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10
P 螺距
a 最大值
dk 理论值 最大值
实际值 最大值=公称
最小值
k 最大值
x 最大值
槽号
M1 参考
M2 参考
深度 H型 最小值
最大值
Z型 最小值
最大值
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
1.9 2 3 3.4 5.2 5.4 7.3 9.6 10.4
2 2.2 3 3.8 5.2 5.6 7.2 9.6 10.4
0.9 1.2 1.5 1.8 2.7 2.9 3.5 4.75 5.5
1.2 1.5 1.85 2.2 3.2 3.4 4 5.25 6
0.95 1.15 1.5 1.8 2.65 2.9 3.4 4.75 5.6
1.2 1.4 1.75 2.1 3.1 3.35 3.85 5.2 6.05
螺纹长度b 最小值
- - - - - - - - -
替代列表
等效标准
国标 GB 国际 ISO 德标 DIN
GB /T 820
ISO 7047
DIN EN ISO 7047
以上有部分标准可能为近似等效,如有异议以标准原件为准

采用标准

技术条件和引用标准

材料
不锈钢
螺纹 公差
标准
机械性能 等级
标准
公差 产品等级
标准
十字槽
沉头的测量
表面处理 -
表面缺陷
验收及包装
6 g
GB/T 196-81、GB/T 197-81
4. 8 A2-50 、A2-70
GB/T 3098. 1-82 GB/T 3098. 6-85
A级
GB 3103.1-82
GB 944.1-85
GB 5279-85
①不经处理
②镀锌钝化 GB 5267-85
不经处理
GB/T 5779.1-86
GB/T 90-85
注:技术数据仅供参考,请以官方原件为准!
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材质:不锈钢、碳钢;公称直径范围:M1-M14;公称长度范围:5-400mm
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