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82° 开槽半沉头机械螺钉(ASTM F837/F468) [TABLE 2.2.2-1] ASME B 18.6.3 (H2A) - 2024

选择规格尺寸点击↓

00#

10#

12#

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

ASME B 18.6.3 (H2A) - 2024 82° 开槽半沉头机械螺钉(ASTM F837/F468) [TABLE 2.2.2-1]

尺寸单位: inch

美标ASME B18.6.3 (H2A) - 2024 ASME18.6.3 1 82° 开槽半沉头机械螺钉(ASTM F837/F468) [TABLE 2.2.2-1]

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单重计算公差美制螺纹极限尺寸米/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

螺纹尺寸
d

00#

10#

d	公称
PP
L ^②	详见备注
d_k	最大值
d_k	最小值
k	参考值
f	参考值
n	最大值
n	最小值
t	最大值
t	最小值
F	最大值
F	最小值
G
α	最大值
α	最小值

0.0470	0.0600	0.0730	0.0860	0.0990	0.1120	0.1250	0.1380	0.1640	0.1900
/	/	64	56	48	40	40	32	32	24
/	1/8	1/8	1/8	1/8	3/16	3/16	3/16	1/4	5/16
0.087	0.112	0.137	0.162	0.187	0.212	0.237	0.262	0.312	0.362
0.080	0.096	0.120	0.144	0.167	0.191	0.215	0.238	0.285	0.333
0.028	0.035	0.043	0.051	0.059	0.067	0.075	0.083	0.100	0.116
0.014	0.021	0.025	0.029	0.033	0.037	0.041	0.045	0.052	0.060
0.017	0.023	0.026	0.031	0.035	0.039	0.043	0.048	0.054	0.060
0.010	0.016	0.019	0.023	0.027	0.031	0.035	0.039	0.045	0.050
0.023	0.030	0.038	0.045	0.052	0.059	0.067	0.074	0.088	0.103
0.016	0.025	0.031	0.037	0.043	0.049	0.055	0.060	0.072	0.084
/	0.047	0.053	0.058	0.064	0.069	0.075	0.080	0.091	0.102
/	0.031	0.035	0.039	0.044	0.048	0.053	0.057	0.066	0.075
/	0.078	0.101	0.124	0.148	0.172	0.196	0.220	0.267	0.313
82°	82°	82°	82°	82°	82°	82°	82°	82°	82°
80°	80°	80°	80°	80°	80°	80°	80°	80°	80°

螺纹尺寸
d

12#

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

d	公称
PP
L ^②	详见备注
d_k	最大值
d_k	最小值
k	参考值
f	参考值
n	最大值
n	最小值
t	最大值
t	最小值
F	最大值
F	最小值
G
α	最大值
α	最小值

0.2160	0.2500	0.3125	0.3750	0.4375	0.5000	0.5625	0.6250	0.7500
24	20	18	16	14	13	12	11	10
3/8	7/16	1/2	9/16	5/8	3/4	/	/	/
0.412	0.477	0.597	0.717	0.760	0.815	0.932	1.050	1.285
0.380	0.442	0.556	0.670	0.715	0.765	0.878	0.990	1.215
0.132	0.153	0.191	0.230	0.223	0.223	0.260	0.298	0.372
0.068	0.079	0.099	0.117	0.122	0.131	0.150	0.169	0.206
0.067	0.075	0.084	0.094	0.094	0.106	0.118	0.133	0.149
0.056	0.064	0.072	0.081	0.081	0.091	0.102	0.116	0.131
0.117	0.136	0.171	0.206	0.210	0.216	0.250	0.285	0.353
0.096	0.112	0.141	0.170	0.174	0.176	0.207	0.235	0.293
0.113	0.129	0.155	0.182	0.195	0.212	0.239	0.266	0.318
0.084	0.095	0.117	0.139	0.150	0.163	0.184	0.206	0.240
0.362	0.424	0.539	0.653	0.690	0.739	0.851	0.962	1.186
82°	82°	82°	82°	82°	82°	82°	82°	82°
80°	80°	80°	80°	80°	80°	80°	80°	80°

①,头部边缘为倒圆或平的。
②,小于等于表中长度的螺钉，为清根沉头型。
③,光杆直径应不小于2A级螺纹最小中径，并不大于公称（基本）螺纹大径。
④,机械螺钉的螺纹长度：

1）螺纹规格≤5#: 公称长度≤3倍公称直径的应为满扣产品，头下螺纹肩距≤1倍螺距。公称长度＞3倍公称直径到 1-1/8 in 的，允许头下肩距最大不超过2倍螺距。若无其他规定，长螺钉的最小螺纹长度为1 in 。

2）螺纹规格≥6#: 公称长度≤3倍公称直径的应为满扣产品，头下螺纹肩距≤1倍螺距。公称长度＞3倍公称直径到 2 in 的，允许头下螺纹肩距最大不超过2倍螺距。若无其他规定，长螺钉的最小螺纹长度为 1.5 in 。

替代列表

ASME/ANSI B 18.6.3 - 2010 ASME B 18.6.3T7 - 2013 ASME B 18.6.3H2A - 2024

长度公差

　　Machine screws can be made to any length, but they are generally produced in fractional length increments of 1/16 in. for screws up to 5/8 in. long, 1/8 in. for screws over 5/8 in. through 1-1/2 in. long, and 1/4 in. for screws over 1-1/2 in. long.

标称螺钉尺寸的长度公差
标称螺钉长度	螺纹规格
标称螺钉长度	0000~00	0~12	1/4~3/4
≤1/2	-0.01	-0.02	-0.03
＞1/2,≤1	-0.02	-0.03	-0.03
＞1,≤2	/	-0.06	-0.06
＞2	/	-0.09	-0.09

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！

类似标准及供货信息

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3	[国标] GB 69 - 1985	开槽半沉头螺钉 Slotted Raised Countersunk Head Screws 供应商(1)
4	[国标] GB 949 - 1988	开槽半沉头不脱出螺钉 Slotted Raised Countersunk Head Screws with Waisted Shank
5	[美标] IFI 513 - 1982	米制开槽半沉头机械螺钉 Table 4 Metric Slotted Oval Countersunk Head Machine Screws
6	[德标] DIN 964 - 1990	开槽半沉头螺钉 Slotted Raised Countersunk Head Screws 供应商(2)
7	[德标] DIN 924 - 2012	开槽半沉头圆柱端螺钉 Slotted Raised Countersunk Head Screws With Dog Point
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9	[国际] ISO 2010 - 2011	一字槽半沉头螺钉(普通头型).产品等级A Slotted Raised Countersunk Head Screws - Product Grade A 供应商(1)
10	[国际] ISO 2010 - 1994	开槽半沉头螺钉(通用头型) 产品等级A级 Countersunk slotted raised head screws (common head style); product grade A 供应商(1)
11	[日标] JIS B 1101 (T10) - 2017	开槽半沉头螺钉表10 Slotted Raised Countersunk Head Screws - Table 10
12	[日标] JIS B 1101 (JA5) - 2017	开槽半沉头螺钉附表JA.5 Slotted Raised Countersunk Head Screws - Table JA.5
13	[日标] JIS B 1116 - 2009	精密机械用开槽半沉头螺钉 Slotted Raised Countersunk Head Screws For Fine Mechanics
14	[日标] JIS B 1101 (AT4) - 1996	开槽半沉头螺钉表4 [Attached Table 4] Slotted Raised Countersunk Head Screws [Attached Table 4]
15	[日标] JIS B 1101 (AAT3) - 1996	开槽半沉头螺钉附表3 [Annex Attached Table 3] Slotted Raised Countersunk Head Screws [Annex Attached Table 3]
16	[日标] JIS B 1119 (1CFC) - 1986	眼镜框架用 - 开槽倒角半沉头螺钉 Spectacle Frames - Slotted Chamfered Flat Countersunk Machine Screws
17	[日标] JIS B 1119 (1RFC) - 1986	眼镜框架用 - 开槽弧面半沉头螺钉 Spectacle Frames - Slotted Round Flat Countersunk Machine Screws
18	[美标] ASME/ANSI B 18.6.3 - 2010	开槽半沉头螺钉Table7 Slottted Oval Countersunk Head Machine Screws
19	[美标] ASME/ANSI B 18.6.3 (T11) - 2010	80°开槽半沉头清根螺钉Table11 80° Slotted undercut oval countersunk head machine screws
20	[美标] ASME/ANSI B 18.6.7M - 1998	米制开槽半沉头螺钉Table6 Metric slotted raised countersunk head screws
21	[法国] NF E 25-124 - 1994	开槽半沉头螺钉 Slotted Raised Countersunk Head Screws - Product Grade A
22	[法国] NF F 03-004 (FB) - 1983	铁路车辆半沉头侧切口机械螺钉 Railway rolling stock Grade A raised countersunk notched head machine
23	[法国] NF F 03-006 (slot) - 1983	铁路车辆 A级开槽半沉头螺钉/螺母 Railway rolling stock Grade A Slotted raised countersunk head screws/nuts
24	[法国] NF F 03-006 (notch) - 1983	铁路车辆 A级沉头侧切口螺钉/螺母 Railway rolling stock Grade A notched raised countersunk head screws/nuts
25	[英标] BS 1981 - 1991	开槽半沉头螺钉(短的)Table10 Slottted Oval Countersunk Head Screws： Short Length
26	[英标] BS 1981 - 1991	开槽半沉头螺钉Table8 Slotted Raised Countersunk Head Machine Screws
27	[英标] BS 4183 (T3) - 1967	开槽半沉头机械螺钉 Slotted raised countersunk head machine screws. Metric series
28	[英标] BS 450 - 1958	英制开槽半沉头螺钉 - B.S.W. & B.S.F. 螺纹 [Table 3] Slotted 90° Raised-Countersunk Head Screws with B.S.W. & B.S.F. Threads [Table 3]
29	[澳标] AS /NZS 1427 - 1996	米制开槽半沉头螺钉 [Table 2] ISO metric slotted raised countersunk head screws [Table 2]
30	[台湾] CNS 9679 - 1982	精密机械用开槽半沉头螺钉 Slotted Raised Countersunk Head Screws For Fine Mechanics
31	[台湾] CNS 4414 - 1981	开槽半沉头螺钉 Slotted Raised Countersunk Head Screws - Product Grade A
32	[俄标] GOST 17474 - 1980	开槽半沉头螺钉 A级和B级 Raised countersunk head screws （Slotted）, product grades A and B
33	[韩标] KS B 1021 (T6) - 2012 (R2022)	开槽半沉头螺钉【Table 6】 Slotted Raised Countersunk Head Screws【Table 6】
34	[德标] DIN EN ISO 2010 - 1994	开槽半沉头螺钉(通用头型) - 产品等级A级 Slotted Raised Countersunk Head Screws (Common Head Style) - Product Grade A 供应商(2)
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37	[美标] ASME B 18.6.3 (T11) - 2013	82° 开槽半沉头清根机械螺钉 [table 11] (ASTM F837 / F468) 82° Slotted Undercut Oval Countersunk Head Machine Screws [table 11] (ASTM F837 / F468)
38	[航天] QJ 2388 - 1992	开槽半沉头螺钉 Slotted countersunk raised head screws
39	[航空] HB 1- 209 - 1995	90°开槽半沉头螺钉 90° Countersunk slotted raised head screws