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asme b 18.6.3 (t7 t40) -九游游戏app官方

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10#

12#

14#

1/4

16#

18#

5/16

20#

24#

3/8

7/16

1/2

尺寸单位: inch

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螺纹尺寸
d

d	公称
类型 ^②	符号
l ^③	a型&ab型
l ^③	其他类型
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

0.0600	0.0730	0.0860	0.0990	0.1120	0.1250	0.1380	0.1510	0.1640	0.1900	0.2160
●◆▲	●◆▲	●◆▲■	●◆▲■	●◆▲■	●◆▲■	●◆▲■	●◆▲	●◆▲■	●◆▲■	●◆▲■
3/16	3/16	3/16	7/32	1/4	1/4	5/16	3/8	7/16	1/2	9/16
1/8	5/32	3/16	7/32	1/4	1/4	5/16	3/8	7/16	1/2	9/16
0.112	0.137	0.162	0.187	0.212	0.237	0.262	0.287	0.312	0.362	0.412
0.096	0.120	0.144	0.167	0.191	0.215	0.238	0.262	0.285	0.333	0.380
0.035	0.043	0.051	0.059	0.067	0.075	0.083	0.091	0.100	0.116	0.132
0.021	0.025	0.029	0.033	0.037	0.041	0.045	0.049	0.052	0.060	0.068
0.023	0.026	0.031	0.035	0.039	0.043	0.048	0.048	0.054	0.060	0.067
0.016	0.019	0.023	0.027	0.031	0.035	0.039	0.039	0.045	0.050	0.056
0.030	0.038	0.045	0.052	0.059	0.067	0.074	0.081	0.088	0.103	0.117
0.025	0.031	0.037	0.043	0.049	0.055	0.060	0.066	0.072	0.084	0.096

螺纹尺寸
d

d	公称
类型 ^②	符号
l ^③	a型&ab型
l ^③	其他类型
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

0.2420	0.2500	0.2680	0.2940	0.3125	0.3200	0.3720	0.3750	0.4375	0.5000
◆	●▲■	◆	◆	●▲■	◆	◆	▲■	▲	▲
5/8	5/8	3/4	13/16	13/16	13/16	1	/	/	/
/	5/8	/	/	5/8	/	/	5/8	3/4	3/4
0.462	0.477	0.512	0.561	0.597	0.611	0.711	0.717	0.760	0.815
0.427	0.442	0.475	0.522	0.556	0.569	0.664	0.670	0.715	0.765
0.148	0.153	0.164	0.180	0.191	0.196	0.228	0.230	0.223	0.223
0.076	0.079	0.084	0.092	0.099	0.100	0.116	0.117	0.122	0.131
0.075	0.075	0.075	0.084	0.084	0.084	0.094	0.094	0.094	0.106
0.064	0.064	0.064	0.072	0.072	0.072	0.081	0.081	0.081	0.091
0.132	0.136	0.146	0.160	0.171	0.175	0.204	0.206	0.210	0.216
0.108	0.112	0.120	0.132	0.141	0.144	0.168	0.170	0.174	0.176

①,头部边缘为倒圆或平的。
②,适用的螺钉类型标记符号如下所示:
● ab型普通自攻螺钉，见表[table 40]
◆ a型普通自攻螺钉，见表[table 42]
▲ b型和bp型普通自攻螺钉见表[table 41]；bf和bt自切自攻螺钉见表[table 43]
■ c型普通自攻螺钉见表[table vi-1]；d，f，g和t型自切自攻螺钉见表[table 44]
③,小于等于表中长度的螺钉，为清根沉头型。可用长度小于等于表列数值ab型清根头型代替a型清根头型。
⑦,i型，ia型，ii型等头部凹槽详细尺寸请点击正文标题下方的“采用标准”

替代列表

asme b 18.6.3t7 t40 - 2013

采用标准

工艺相关

asme b 18.6.3 (t7) - 2013

82° 开槽半沉头机械螺钉 [table 7] (astm f837 / f468)

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-i/t8-ia t40) - 2013

十字槽半沉头 ab abr自攻螺钉

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-iii t40) - 2013

四方槽半沉头 ab abr自攻螺钉

自攻螺纹：

[美标]

dimensions of threads and points for type ab and type abr thread-forming screws

ab, abr型

自攻螺纹：

[美标]

dimensions of threads and points for type b and bp thread-forming tapping screws

b, bp型

自攻螺纹：

[美标]

dimensions of threads and points for type a thread-forming tapping screws

a型

自攻螺纹：

[美标]

dimensions of threads and points for types bf and bt thread-cutting tapping screws

bf, bt型

自攻螺纹：

[美标]

dimensions of threads and points for type d, f, g, and t thread-cutting tapping screws

d, f, g, t型

自攻螺纹：

[美标]

dimensions of type trs tapping screws

trs型

引用参考

类似标准及供货信息

7	[国标]	slotted raised countersunk(oval) head tapping screws
8	[国标]	slotted raised countersunk head tapping screws
9	[美标]	metric slotted oval countersunk head tapping screws
10	[德标]	slotted raised countersunk head tapping screws
11	[国际]	slotted raised countersunk (oval) head tapping screws
12	[国际]	slotted raised countersunk head tapping screws
13	[日标]	slotted raised countersunk head tapping screws
14	[日标]	slotted raised countersunk head tapping screws
15	[日标]	raised countersunk head tapping screws
16	[美标]	80° machine screw and tapping screw nuts (inch seires)
17	[法国]	slotted raised countersunk (oval) head tapping screws
18	[英标]	80°slotted raised countersunk head tapping screws [table 12]
19	[英标]	cross recess 80° raised countersunk head tapping screws [table 13]
20	[英标]	slotted 80° truncated raised countersunk head screws [table 14]
21	[澳标]	iso metric slotted raised countersunk head tapping screws
22	[德标]	slotted raised countersunk (oval) head tapping screws
23	[美标]	80° slotted undercut oval countersunk head tapping screws [table 11]
24	[美标]	metrice slotted raised countersunk head tapping screws [table 12]
25	[美标]	slotted oval countersunk head tapping screws - type b and bp thread forming [table 20]
26	[美标]	slotted oval countersunk head tapping screws - type c thread forming [table 20]
27	[美标]	slotted oval countersunk head tapping screws - type ab thread forming [table 20]
28	[美标]	slotted oval countersunk head tapping screws - type a thread forming [table 20]

注：技术数据仅供参考，以官方原件为准！

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