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asme b 18.6.3 (t8-九游游戏app官方

选择规格尺寸 点击↓

0#

1#

2#

3#

4#

5#

6#

7#

8#

10#

12#

14#

1/4

16#

18#

5/16

20#

24#

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
l
dk 最大值
最小值
k 参考
f 参考
槽号
m1 参考
m2 参考
p i型 (十字槽) 最大值
最小值
ia型 (米字槽) 最大值
最小值
α 最小值
最大值
0.0600 0.0730 0.0860 0.0990 0.1120 0.1250 0.1380 0.1510 0.1640 0.1900 0.2160 0.2420
1/8 1/8 1/8 1/8 3/16 3/16 3/16 / 1/4 5/16 3/8 /
0.112 0.137 0.162 0.187 0.212 0.237 0.262 0.287 0.312 0.362 0.412 0.462
0.096 0.120 0.144 0.167 0.191 0.215 0.238 0.262 0.285 0.333 0.380 0.427
0.035 0.043 0.051 0.059 0.067 0.075 0.083 0.091 0.100 0.116 0.132 0.148
0.021 0.025 0.029 0.033 0.037 0.041 0.045 0.049 0.052 0.060 0.068 0.076
0 0 1 1 1 2 2 2 2 2 3 3
0.068 0.070 0.106 0.118 0.130 0.152 0.172 0.176 0.186 0.202 0.264 0.282
0.068 0.070 0.106 0.118 0.130 0.152 0.172 0.176 0.186 0.202 0.264 0.282
0.038 0.041 0.062 0.074 0.087 0.074 0.094 0.100 0.108 0.126 0.135 0.156
0.020 0.023 0.045 0.057 0.070 0.050 0.069 0.075 0.084 0.102 0.111 0.131
0.042 0.043 0.062 0.074 0.086 0.074 0.093 0.099 0.108 0.125 0.135 0.153
0.024 0.027 0.046 0.058 0.070 0.056 0.075 0.081 0.090 0.107 0.117 0.135
80° 80° 80° 80° 80° 80° 80° 80° 80° 80° 80° 80°
82° 82° 82° 82° 82° 82° 82° 82° 82° 82° 82° 82°
螺纹尺寸
d
d 公称
l
dk 最大值
最小值
k 参考
f 参考
槽号
m1 参考
m2 参考
p i型 (十字槽) 最大值
最小值
ia型 (米字槽) 最大值
最小值
α 最小值
最大值
0.2500 0.2680 0.2940 0.3125 0.3200 0.3720 0.3750 0.4375 0.5000 0.5625 0.6250 0.7500
7/16 / / 1/2 / / 9/16 5/8 3/4 / / /
0.477 0.512 0.561 0.597 0.611 0.711 0.717 0.760 0.815 0.932 1.050 1.285
0.442 0.475 0.522 0.556 0.569 0.664 0.670 0.715 0.765 0.878 0.990 1.215
0.153 0.164 0.180 0.191 0.196 0.228 0.230 0.223 0.223 0.260 0.298 0.372
0.079 0.084 0.092 0.099 0.100 0.116 0.117 0.122 0.131 0.150 0.169 0.206
3 3 4 4 4 4 4 4 4 4 5 5
0.284 0.326 0.374 0.384 0.394 0.430 0.404 0.416 0.430 0.462 0.580 0.642
0.284 0.326 0.374 0.384 0.394 0.430 0.404 0.416 0.430 0.450 0.562 0.624
0.156 0.197 0.206 0.218 0.225 0.262 0.237 0.249 0.263 0.296 0.323 0.388
0.131 0.172 0.182 0.194 0.201 0.238 0.213 0.225 0.239 0.272 0.291 0.357
0.155 0.197 0.205 0.215 0.225 0.261 0.235 0.247 0.262 0.285 0.300 0.362
0.137 0.179 0.187 0.197 0.207 0.243 0.217 0.229 0.244 0.267 0.279 0.341
80° 80° 80° 80° 80° 80° 80° 80° 80° 80° 80° 80°
82° 82° 82° 82° 82° 82° 82° 82° 82° 82° 82° 82°
①,若以小数规定公称直径，应省略小数前和小数点后第四位的零。
②,尺寸9/16、5/8和3/4仅适用于机螺钉。
③,尺寸7、14、16、18、20和24仅用于自攻螺钉
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 b 18.6.3t8-i/t8-ia - 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 (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 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

引用参考

类似标准及供货信息
1 [国标]

raised countersunk head screws with cross recess

2 [国标]

raised countersunk head screws(common head style)with cross recess

3 [国标]

cross recessed raised countersunk head screws for fine mechanics

4 [国标]

cross recessed raised countersunk head screws

5 [国标]

120°cross recessed raised countersunk screws
6 [德标]

cross recessed raised countersunk head screws

7 [德标]

raised countersunk head screws
8 [国际]

rasied countersunk head screws(common head style) with type h or type z cross recess-product grade a

9 [国际]

countersunk rasied head screws(common head style) with type h or type z cross recess - product grade a

10 [日标]

cross recessed raised countersunk head screws
11 [日标]

cross recessed raised countersunk head screws
12 [日标]

cross recessed raised countersunk head screws
13 [日标]

cross recessed raised countersunk head screws
14 [汽标代号]

cross recessed raised countersunk head screws
15 [美标]

80° cross recessed raised countersunk head screws
16 [美标]

metric cross recessed raised countersunk screws
17 [美标]

metric pz drives raised countersunk head screws
18 [法国]

cross recessed raised countersunk head screws, with type h or type z cross recessed - product grade a
19 [英标]

recessed raised countersunk head machine screws: short length
20 [英标]

recessed raised countersunk head machine screws
21 [英标]

recessed 90° raised-countersunk head screws with b.s.w. & b.s.f. threads [table 3]
22 [澳标]

iso metric cross-recess raised countersunk screws [table 2]
23 [台湾]

cross recessed raised countersunk head screws
24 [俄标]

raised countersunk head screws (cross recessed), product grades a and b
25 [韩标]

cross recessed raised countersunk head screws
26 [韩标]

cross recessed raised countersunk head screws
27 [德标]

raised countersunk head screws (common head style) with type h or type z cross recess - product grade a

28 [美标]

oval 82-deg countersunk trim head screws [table 15] (astm f837 / f468)
29 [美标]

undercut oval 82-deg countersunk head screws, type i & type ia recess
30 [航天]

countersunk raised head screws with cross recess
注：技术数据仅供参考，以官方原件为准！
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