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内六角沉头螺钉 IS 6761 - 1994 (R2004)

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选择规格尺寸点击↓

M10

M12

(M14)

M16

(M18)

M20

括号内尺寸为非优选

尺寸单位: mm

印标IS 6761 - 1994 (R2004) IS6761 6761IS 内六角沉头螺钉

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单重计算公差公制螺纹极限尺寸米/英制螺纹对照螺纹直径与受力截面积最小破坏扭矩牌号等级毛坯直径

螺纹尺寸
d

M10

M12

(M14)

M16

(M18)

M20

P	螺距
d_k	最大值
d_k	最小值
k	公称
r	最小值
s	公称
	最大值
	最小值
t	最大值
t	最小值
e	最小值

0.5	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	2.5
6	8	10	12	16	20	24	27	30	33	36
5.7	7.64	9.64	11.57	15.57	19.48	23.48	26.48	29.48	32.38	35.38
1.7	2.3	2.8	3.3	4.4	5.5	6.5	7	7.5	8	8.5
0.1	0.2	0.2	0.3	0.5	0.5	1	1	1	1	1
2	2.5	3	4	5	6	8	10	10	12	12
2.1	2.6	3.1	4.12	5.14	6.14	8.175	10.175	10.175	12.212	12.212
2.02	2.52	3.02	4.02	5.02	6.02	8.025	10.025	10.025	12.032	12.032
1.2	1.8	2.3	2.5	3.5	4.4	4.6	4.8	5.3	5.5	5.9
0.95	1.55	2.05	2.25	3.2	4.1	4.3	4.5	5	5.2	5.6
2.3	2.87	3.44	4.58	5.72	6.86	9.15	11.43	11.43	13.72	13.73

①,a=2.5P max

引用参考 (14)

GB /T 3 - 1997

普通螺纹收尾、肩距、退刀槽和倒角 (ISO 3508:1976 / ISO 4755:1983)

GB /T 3098.25 - 2020

紧固件机械性能不锈钢和镍合金紧固件选用指南

紧固件 - 螺栓、螺钉和螺柱 - 公称长度和螺纹长度 (ISO 888:2012, MOD)

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)

镀锌、镀镍、镀镉、复合镀等层镀层盐雾腐蚀的防护性能

GB /T 5779.1 - 2000

紧固件表面缺陷 - 螺栓、螺钉和螺柱 - 一般要求

GB /T 5779.3 - 2000

紧固件表面缺陷 - 螺栓、螺钉和螺柱 - 特殊要求

螺栓、螺钉和螺柱性能等级及常用牌号及近似牌号（按GB/T3098.1-2010相关规定选择）非合金钢和低合金钢和铸钢的硬度值转换表

注：技术数据仅供参考，请以官方原件为准！

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标准编号 / Standard Code： IS 6761 - 1994 (R2004)
中文名称 / Chinese Name： 内六角沉头螺钉
英文名称 / English Name： Countersunk Head Screws with Hexagon Socket
数据来源 / Data Source： 易紧通 YJT Fastener Database（164580.com）
中文页面 / Chinese Page： 查看中文页面
English Page： View English Page

Data Source: YJT Fastener Database (164580.com)
Standard: IS 6761 - 1994 (R2004)
Chinese Name: 内六角沉头螺钉
English Name: Countersunk Head Screws with Hexagon Socket
Chinese URL: Chinese Source Page
English URL: English Source Page
License: Commercial reuse, redistribution, or AI training usage requires authorization.