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内六角花形沉头自攻螺钉 GB /T 2670.2 - 2017

选择规格尺寸点击↓

ST2.9

ST3.5

ST4.2

ST4.8

ST5.5

ST6.3

尺寸单位: mm

国标GB /T2670.2 - 2017 GB2670.2 2670.2GB 内六角花形沉头自攻螺钉

模型下载

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单重计算公差

螺纹规格

ST2.9

ST3.5

ST4.2

ST4.8

ST5.5

ST6.3

P	螺距
a
d_k	理论	最大值
	实际	最大值
		最小值
k	最大值
r	最小值
y	参考值	C型
		F型
		R型
槽号
A	参考值
t	最大值
	最小值

1.1	1.3	1.4	1.6	1.8	1.8
1.1	1.3	1.4	1.6	1.8	1.8
6.3	8.2	9.4	10.4	11.5	12.6
5.5	7.3	8.4	9.3	10.3	11.3
5.2	6.9	8	8.9	9.9	10.9
1.7	2.35	2.6	2.8	3	3.15
1.2	1.4	1.6	2.0	2.2	2.4
2.6	3.2	3.7	4.3	5.0	6.0
2.1	2.5	2.8	3.2	3.6	3.6
-	2.7	3.2	3.6	4.3	5.0
10	15	20	25	25	30
2.8	3.35	3.95	4.5	4.5	5.6
0.91	1.3	1.58	1.78	2.03	2.42
0.65	1	1.14	1.39	1.65	2.02

替代列表

GB /T 2670.2 - 2004 GB /T 2670.2 - 2017

等效标准

国标 GB	国际 ISO	德标 DIN
GB /T 2670.2	ISO 14586	DIN EN ISO 14586

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

ISO 14586 - 2011

梅花槽沉头自攻螺钉

工艺相关

GB /T 90.1 - 2002

紧固件验收检查（ISO 3269:2000 IDT）

紧固件螺栓、螺钉、螺柱及螺母尺寸代号和标注

技术条件和引用标准

材料

钢

通用技术条件
螺纹
机械性能
公差	产品等级
	标准
内六角花型
表面处理
验收及包装

GB/T 16938

GB/T 5280

GB/T 3098.5

GB/T 3103.1

GB/T 6188

不经处理；
电镀技术要求按GB/T 5267.1；
非电解锌片涂层技术要求按GB/T 5267.2;
如需其他技术要求或表面处理，应由供需协议

GB/T 90.1 、GB/T 90.2

引用参考

镀锌、镀镍、镀镉、复合镀等层镀层盐雾腐蚀的防护性能

GB /T 193 - 2003

普通螺纹（一般用途米制螺纹）- 直径与螺距系列 (ISO 261: 1998, MOD)

GB /T 5280 - 2002

自攻螺钉用螺纹

注：技术数据仅供参考，请以官方原件为准！

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材质：1008钢、1018#碳钢、Q235碳钢、35#合金钢、304HC不锈钢、316HC不锈钢，表面处理：环保彩锌、环保蓝白锌、环保黑锌、环保镍、热镀锌、达克罗、以及非环保电镀，规格：齐全

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