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细牙内六角圆柱头螺钉 ISO 12474 - 2010

选择规格尺寸点击↓

M10

M12

(M14)

M16

M20

M24

M30

M36

括号内尺寸为非优选

尺寸单位: mm

国际ISO 12474 - 2010 ISO12474 12474ISO 细牙内六角圆柱头螺钉

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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

M20

M24

M30

M36

P	螺距	细牙 1
		细牙 2
b	参考
d_k	最大值	平头
		滚花头
	最小值
d_s	最大值
	最小值
e	最小值
k	最大值
	最小值
r	最小值
s	最大值
	最小值
t	最小值

1	1	1.5	/	1.5	1.5	2	2	3
/	(1.25)	(1.25)	(1.5)	/	(2)	/	/	/
28	32	36	40	44	52	60	72	84
13	16	18	21	24	30	36	45	54
13.27	16.27	18.27	21.33	24.33	30.33	36.39	45.39	54.46
12.73	15.73	17.73	20.67	23.67	29.67	35.61	44.61	53.54
8	10	12	14	16	20	24	30	36
7.78	9.78	11.73	13.73	15.73	19.67	23.67	29.67	35.61
6.863	9.149	11.429	13.716	15.996	19.437	21.734	25.154	30.854
8	10	12	14	16	20	24	30	36
7.64	9.64	11.57	13.57	15.57	19.48	23.48	29.48	35.38
0.4	0.4	0.6	0.6	0.6	0.8	0.8	1	1
6.14	8.175	10.175	12.212	14.212	17.23	19.275	22.275	27.275
6.02	8.025	10.025	12.032	14.032	17.05	19.065	22.065	27.065
4	5	6	7	8	10	12	15.5	19

螺纹长度b

替代列表

ISO 21269 - 2004 ISO 12474 - 2010

等效标准

国标 GB	国际 ISO	德标 DIN
GB /T 70.6	ISO 12474	DIN EN ISO 12474

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

技术条件和引用标准

材料

钢

不锈钢

有色金属

通用要求
螺纹	公差
	标准
机械性能	等级
	标准
公差	产品等级
	标准
表面处理
表面缺陷
验收及包装
备注

ISO 8992
12.9/12.9：5g6g 其他等级：6g
ISO 261，ISO 965-2，ISO 965-3
8mm ≤ d ≤ 36mm：8.8, 10.9, 12.9/12.9	d＜24mm：A2-70^①,A3-70,A4-70,A5-70 24mm ≤ d ≤ 36mm：A2-50^②,A3-50,A4-50,A5-50	按协议
ISO 898-1	ISO 3506-1	ISO 8839
A
ISO 4759-1
不经处理电镀 ISO 4042 非电解锌片涂层 ISO 10683	Plain	Plain 电镀 ISO 4042
ISO 6157-1 12.9/12.9：ISO 6157-3	/	/
ISO 3269
① For stainless steel screws machined from bar, it is permissible to use steel grade A1-70 for sizes d ≤ 12 mm and the product shall be marked accordingly. ② For stainless steel screws machined from bar. it is permissible to use steel grade A1-50 and the product shall be marked.

引用参考

GB /T 1172 - 1999

黑色金属硬度及强度换算值

GB /T 5267.1 - 2002

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 3106 - 2016

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 3 - 1997

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

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

注：技术数据仅供参考，请以官方原件为准！

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