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开槽半沉头螺钉 A级和B级 GOST 17474 - 1980

选择规格尺寸点击↓

1.2

1.4

1.6

2.5

3.5

尺寸单位: mm

俄标GOST 17474 - 1980 GOST17474 17474GOST 开槽半沉头螺钉 A级和B级

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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

千件重及价格计算千件重 : kg x 元/kg = 元/千件

默认密度 g/cm³

螺纹尺寸
d

1.2

1.4

1.6

2.5

3.5

P	螺距	粗牙
		细牙
d_k
k	最大值
f	≈
R	≈
b	加长
	标准
n	公称
	最小值
	最大值
t	最小值
	最大值

0.25	0.25	0.3	0.35	0.4	0.45	0.5	0.6	0.7
/	/	/	/	/	/	/	/	/
1.9	2.3	2.6	3	3.8	4.7	5.6	6.5	7.4
0.6	0.72	0.84	0.96	1.2	1.5	1.65	1.93	2.2
0.25	0.3	0.35	0.4	0.5	0.6	0.75	0.9	1
2.1	2.6	2.9	3.4	4.2	5.4	6	6.8	8
/	/	/	/	16	18	19	20	22
8	9	9	9	10	11	12	13	14
0.25	0.3	0.3	0.4	0.5	0.6	0.8	0.8	1
0.31	0.36	0.36	0.46	0.56	0.66	0.86	0.86	1.06
0.45	0.5	0.5	0.6	0.7	0.8	1	1	1.2
0.4	0.48	0.56	0.64	0.8	1	1.2	1.4	1.6
0.55	0.64	0.73	0.8	1	1.2	1.45	1.7	1.9

千件钢制重≈kg

粗牙

螺纹尺寸
d

P	螺距	粗牙
		细牙
d_k
k	最大值
f	≈
R	≈
b	加长
	标准
n	公称
	最小值
	最大值
t	最小值
	最大值

0.8	1	1.25	1.5	1.75	2	2	2.5	2.5
/	/	1	1.25	1.25	1.5	1.5	1.5	1.5
9.2	11	14.5	18	21.5	25	28.5	32.5	36
2.5	3	4	5	6	7	8	9	10
1.25	1.5	2	2.5	3	3.5	4	4.5	5
9.4	12	15	19	22.5	26	30	34	38
25	28	34	40	46	52	58	64	70
16	18	22	26	30	34	38	42	46
1.2	1.6	2	2.5	3	3	4	4	5
1.26	1.66	2.06	2.56	3.06	3.06	4.07	4.07	5.07
1.51	1.91	2.31	2.81	3.31	3.31	4.37	4.37	5.37
2	2.4	3.2	4	4.8	5.6	6.4	7.2	8
2.3	2.8	3.7	4.5	5.4	6.3	7.2	8.1	9

千件钢制重≈kg

粗牙

①,r ≤ 0.1d。
②,ds≈螺纹中径或螺纹大径（GOST 19256-73）。

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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