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細牙內六角圓柱頭螺釘 ISO 12474 - 2010

選擇規格尺寸點擊↓

M10

M12

(M14)

M16

M20

M24

M30

M36

括號內尺寸為非優選

尺寸單位: mm

國際ISO 12474 - 2010 ISO12474 12474ISO 細牙內六角圓柱頭螺釘

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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號等級毛坯直徑

螺紋尺寸
d

M10

M12

(M14)

M16

M20

M24

M30

M36

P	螺距	細牙 1
		細牙 2
b	參考
d_k	最大值	平頭
		滾花頭
	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

螺紋長度b

替代列表

ISO 21269 - 2004 ISO 12474 - 2010

等效標準

國標 GB	國際 ISO	德標 DIN
GB /T 70.6	ISO 12474	DIN EN ISO 12474

以上有部分標準可能為近似等效，如有異議以標準原件為準

技術條件和引用標準

材料

鋼

不銹鋼

有色金屬

通用要求
螺紋	公差
	標準
機械性能	等級
	標準
公差	產品等級
	標準
表面處理
表面缺陷
驗收及包裝
備注

ISO 8992
12.9/12.9：5g6g 其他等級：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	按協議
ISO 898-1	ISO 3506-1	ISO 8839
A
ISO 4759-1
不經處理電鍍 ISO 4042 非電解鋅片涂層 ISO 10683	Plain	Plain 電鍍 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、鍍鎘、復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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