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開槽半沉頭螺釘 A級和B級 GOST 17474 - 1980

選擇規格尺寸點擊↓

1.2

1.4

1.6

2.5

3.5

尺寸單位: mm

俄标GOST 17474 - 1980 GOST17474 17474GOST 開槽半沉頭螺釘 A級和B級

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單重計算公差公制螺紋極限尺寸米/英制螺紋對照螺紋直徑與受力截面積最小破壞扭矩牌号等級毛坯直徑

千件重及價格計算千件重 : kg x 元/kg = 元/千件

默認密度 g/cm³

螺紋尺寸
d

1.2

1.4

1.6

2.5

3.5

P	螺距	粗牙
		細牙
d_k
k	最大值
f	≈
R	≈
b	加長
	标準
n	公稱
	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

千件鋼制重≈kg

粗牙

螺紋尺寸
d

P	螺距	粗牙
		細牙
d_k
k	最大值
f	≈
R	≈
b	加長
	标準
n	公稱
	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

千件鋼制重≈kg

粗牙

①,r ≤ 0.1d。
②,ds≈螺紋中徑或螺紋大徑（GOST 19256-73）。

引用參考

GB /T 1172 - 1999

黑色金屬硬度及強度換算值

GB /T 5267.1 - 2002

鍍鋅、鍍鎳、鍍镉、複合鍍等層鍍層鹽霧腐蝕的防護性能

GB /T 193 - 2003

普通螺紋（一般用途米制螺紋）- 直徑與螺距系列 (ISO 261: 1998, MOD)

GB /T 3106 - 2016

緊固件 - 螺栓、螺釘和螺柱 - 公稱長度和螺紋長度 (ISO 888:2012, MOD)

GB /T 3 - 1997

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

GB /T 5779.1 - 2000

緊固件表面缺陷 - 螺栓、螺釘和螺柱 - 一般要求

GB /T 5779.3 - 2000

緊固件表面缺陷 - 螺栓、螺釘和螺柱 - 特殊要求

注：技術數據僅供參考，請以官方原件為準！

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