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82°开槽半沉头 AB ABR 自攻螺钉 ASME B 18.6.3 (H2A+T1A) - 2024

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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

ASME B 18.6.3 (H2A+T1A) - 2024 82°开槽半沉头 AB ABR 自攻螺钉

尺寸单位: inch
美标ASME B18.6.3 (H2A+T1A) - 2024 ASME18.6 82°开槽半沉头 AB ABR 自攻螺钉
ASME B 18.6.3 (H2A+T1A) - 2024 82°开槽半沉头 AB ABR 自攻螺钉
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螺纹尺寸
d
0# 1# 2# 3# 4# 5# 6# 7# 8# 10# 12#
d 公称
类型 符号
L A型&AB型
其他类型
dk 最大值
最小值
k 参考值
f 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 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
14# 1/4 16# 18# 5/16 20# 24# 3/8 7/16 1/2
d 公称
类型 符号
L A型&AB型
其他类型
dk 最大值
最小值
k 参考值
f 参考值
n 最大值
最小值
t 最大值
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 4.1.1.1-1]
◆ A型普通自攻螺钉,见表[Table 4.1.1.4-1]
▲ B型和BP型普通自攻螺钉见表[Table 4.1.1.2-1];BF和BT自切自攻螺钉见表[Table 4.1.2.1-1]
■ 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 4.1.2.2-1]
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。
替代列表

长度公差

  Tapping screws can be made to any length, but they are generally produced in fractional length increments of 1/16 in. for screws up to 1/2 in. long, 1/8 in. for screws over 1/2 in. through 1-1/2 in. long, 1/4 in. for screws over 1-1/2 in. through 3 in. long, and 1/2 in. for screws over 3 in. long.

类型

标称螺钉长度

长度公差

AABBP

1

±0.03

1

±0.05

BBFBTCDFGTTRS

3/4

-0.03

3/4,1-1/2

-0.05

1-1/2

-0.06

注:技术数据仅供参考,请以官方原件为准!
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