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asme b 18.6.3 (t7) -九游游戏app官方

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

尺寸单位: inch

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米/英制螺纹对照螺纹直径与受力截面积牌号等级

螺纹尺寸
d

d	公称
pp	粗牙/unc
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
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
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

d	公称
pp	粗牙/unc
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
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
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 。
⑤,头部凹槽详细尺寸请点击下方的“采用标准”

替代列表

asme b 18.6.3t7 - 2013

采用标准

工艺相关

asme b 18.6.3 (t7 t40) - 2013

82°开槽半沉头 ab abr 自攻螺钉 [table 7]

asme b 18.6.3 (t8-i/t8-ia) - 2013

十字槽半沉头螺钉 i和ia型【表7&8】

asme b 18.6.3 (t8-iii) - 2013

四方槽半沉头螺钉 iii型【表7&8】

asme b 18.6.3 (t8-i/t8-ia t40) - 2013

十字槽半沉头 ab abr自攻螺钉

asme b 18.6.3 (t8-iii t40) - 2013

四方槽半沉头 ab abr自攻螺钉

引用参考

类似标准及供货信息

1	[国标]	slotted raised countersunk head screws
2	[国标]	countersunk slotted raised head screws (common head style)
3	[国标]	slotted raised countersunk head screws
4	[国标]	slotted raised countersunk head screws with waisted shank
5	[美标]	metric slotted oval countersunk head machine screws
6	[德标]	slotted raised countersunk head screws
7	[德标]	slotted raised countersunk head screws with dog point
8	[德标]	slotted raised countersunk head screws with dog point
9	[国际]	slotted raised countersunk head screws - product grade a
10	[国际]	countersunk slotted raised head screws (common head style); product grade a
11	[日标]	slotted raised countersunk head screws - table 10
12	[日标]	slotted raised countersunk head screws - table ja.5
13	[日标]	slotted raised countersunk head screws for fine mechanics
14	[日标]	slotted raised countersunk head screws [attached table 4]
15	[日标]	slotted raised countersunk head screws [annex attached table 3]
16	[美标]	slottted oval countersunk head machine screws
17	[美标]	80° slotted undercut oval countersunk head machine screws
18	[美标]	metric slotted raised countersunk head screws
19	[法国]	slotted raised countersunk head screws - product grade a
20	[法国]	railway rolling stock grade a raised countersunk notched head machine
21	[法国]	railway rolling stock grade a slotted raised countersunk head screws/nuts
22	[法国]	railway rolling stock grade a notched raised countersunk head screws/nuts
23	[英标]	slottted oval countersunk head screws： short length
24	[英标]	slotted raised countersunk head machine screws
25	[英标]	slotted raised countersunk head machine screws. metric series
26	[英标]	slotted 90° raised-countersunk head screws with b.s.w. & b.s.f. threads [table 3]
27	[澳标]	iso metric slotted raised countersunk head screws [table 2]
28	[台湾]	slotted raised countersunk head screws for fine mechanics
29	[台湾]	slotted raised countersunk head screws - product grade a
30	[俄标]	raised countersunk head screws （slotted）, product grades a and b
31	[韩标]	slotted raised countersunk head screws【table 6】
32	[德标]	slotted raised countersunk head screws (common head style) - product grade a
33	[美标]	82° slotted undercut oval countersunk head machine screws [table 11] (astm f837 / f468)
34	[航天]	slotted countersunk raised head screws
35	[航空]	90° countersunk slotted raised head screws

注：技术数据仅供参考，以官方原件为准！

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