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首页 产品与标准 ASME B 18.6.4 - 1998 (R2005) A型 开槽沉头自攻螺钉 [Table 9]

A型 开槽沉头自攻螺钉 [Table 9] 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#

14#

16#

18#

20#

24#

ASME B 18.6.4 - 1998 (R2005) A型 开槽沉头自攻螺钉 [Table 9]

尺寸单位: inch
美标ASME B18.6.4 - 1998 (R2005) ASME18.6.4 A型 开槽沉头自攻螺钉 [Table 9]
ASME B 18.6.4 - 1998 (R2005) A型 开槽沉头自攻螺钉 [Table 9]
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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
n 最大值
最小值
t 最大值
最小值
0.060 0.073 0.086 0.099 0.112 0.125 0.138 0.151
3/16 3/16 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
0.023 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
0.015 0.019 0.023 0.027 0.030 0.034 0.038 0.041
0.010 0.012 0.015 0.017 0.020 0.022 0.024 0.027
公称直径
d
8# 10# 12# 14# 16# 18# 20# 24#
d 公称直径
L 最小值
dk 最大值
最小值
k 参考值
n 最大值
最小值
t 最大值
最小值
0.164 0.190 0.216 0.242 0.268 0.294 0.320 0.372
7/16 1/2 9/16 5/8 3/4 13/16 13/16 1
0.312 0.362 0.412 0.462 0.512 0.561 0.611 0.711
0.285 0.333 0.380 0.427 0.475 0.522 0.569 0.664
0.100 0.116 0.132 0.148 0.164 0.180 0.196 0.228
0.054 0.060 0.067 0.075 0.075 0.084 0.084 0.094
0.045 0.050 0.056 0.064 0.064 0.072 0.072 0.081
0.045 0.053 0.060 0.068 0.075 0.083 0.090 0.105
0.029 0.034 0.039 0.044 0.049 0.054 0.059 0.069
①,小于等于表列长度的螺钉，应为清根沉头头型,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。

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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