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首页 产品与标准 ASME B 18.6.4 - 1998 (R2005) 开槽半沉头自攻螺钉 B,BP型 [Table 20]

开槽半沉头自攻螺钉 B,BP型 [Table 20] ASME B 18.6.4 - 1998 (R2005)

选择规格尺寸 点击↓

0#

1#

2#

3#

4#

5#

6#

7#

8#

10#

12#

1/4

5/16

3/8

7/16

1/2

ASME B 18.6.4 - 1998 (R2005) 开槽半沉头自攻螺钉 B,BP型 [Table 20]

尺寸单位: inch
美标ASME B18.6.4 - 1998 (R2005) ASME18.6.4 开槽半沉头自攻螺钉 B,BP型 [Table 20]
ASME B 18.6.4 - 1998 (R2005) 开槽半沉头自攻螺钉 B,BP型 [Table 20]
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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
公称直径
d
0# 1# 2# 3# 4# 5# 6# 7#
d 公称直径
L 最小值
dk 最大值
最小值
k 参考值
f 参考值
h 参考值
n 最大值
最小值
t 最大值
最小值
0.0600 0.0730 0.0860 0.0990 0.1120 0.1250 0.1380 0.1510
1/8 5/32 3/16 7/32 1/4 1/4 5/16 3/8
0.112 0.137 0.162 0.187 0.212 0.237 0.262 0.287
0.096 0.120 0.144 0.167 0.191 0.215 0.238 0.262
0.035 0.043 0.051 0.059 0.067 0.075 0.083 0.091
0.021 0.025 0.029 0.033 0.037 0.041 0.045 0.049
0.056 0.068 0.080 0.092 0.104 0.116 0.128 0.140
0.023 0.026 0.031 0.035 0.039 0.043 0.048 0.048
0.016 0.019 0.023 0.027 0.031 0.035 0.039 0.039
0.030 0.038 0.045 0.052 0.059 0.067 0.074 0.081
0.025 0.031 0.037 0.043 0.049 0.055 0.060 0.066
公称直径
d
8# 10# 12# 1/4 5/16 3/8 7/16 1/2
d 公称直径
L 最小值
dk 最大值
最小值
k 参考值
f 参考值
h 参考值
n 最大值
最小值
t 最大值
最小值
0.1640 0.1900 0.2160 0.2500 0.3125 0.3750 0.4375 0.5000
7/16 1/2 9/16 5/8 5/8 5/8 3/4 3/4
0.312 0.362 0.412 0.477 0.597 0.717 0.760 0.815
0.285 0.333 0.380 0.442 0.556 0.670 0.715 0.765
0.100 0.116 0.132 0.153 0.191 0.230 0.223 0.223
0.052 0.060 0.068 0.079 0.099 0.117 0.122 0.131
0.152 0.176 0.200 0.232 0.290 0.347 0.345 0.354
0.054 0.060 0.067 0.075 0.084 0.094 0.094 0.106
0.045 0.050 0.056 0.064 0.072 0.081 0.081 0.091
0.088 0.103 0.117 0.136 0.171 0.206 0.210 0.216
0.072 0.084 0.096 0.112 0.141 0.170 0.174 0.176

采用标准

引用参考

GB /T 3098.5 - 2016
紧固件机械性能 - 自攻螺钉
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 5280 - 2002
自攻螺钉用螺纹
注：技术数据仅供参考，请以官方原件为准！
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