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首页 产品与标准 ASME B 18.6.3 (T8-VI+T40) - 2013 梅花槽半沉头 AB ABR自攻螺钉

梅花槽半沉头 AB ABR自攻螺钉 ASME B 18.6.3 (T8-VI+T40) - 2013

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2#

3#

4#

5#

6#

7#

8#

10#

12#

1/4

5/16

3/8

7/16

1/2

ASME B 18.6.3 (T8-VI+T40) - 2013 梅花槽半沉头 AB ABR自攻螺钉

尺寸单位: inch
美标ASME B18.6.3 (T8-VI+T40) - 2013 ASME18 梅花槽半沉头 AB ABR自攻螺钉
ASME B 18.6.3 (T8-VI+T40) - 2013 梅花槽半沉头 AB ABR自攻螺钉
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公差
螺纹尺寸
d
2# 3# 4# 5# 6# 7# 8# 10# 12# 1/4 5/16 3/8 7/16 1/2
d 公称
PP
槽号
M 参考
P 最大值
最小值
dk 最大值
最小值
k 参考
f 参考
α 最大值
最小值
L0 ④ 公称
Y ④ 螺纹过渡长度(全螺纹) 最大值
b ④ 螺纹长度 (长螺钉) 最小值
0.0860 0.0990 0.1120 0.1250 0.1380 0.1510 0.1640 0.1900 0.2160 0.2500 0.3125 0.3750 0.4375 0.5000
32 28 24 20 20 19 18 16 14 14 12 12 10 10
T6 T8 T8 T10 T15 T15 T20 T25 T27 T30 T40 T45 T50 T50
0.069 0.094 0.094 0.111 0.132 0.132 0.155 0.178 0.200 0.221 0.266 0.312 0.352 0.352
0.022 0.025 0.033 0.055 0.055 0.060 0.071 0.090 0.090 0.105 0.125 0.155 0.150 0.169
0.017 0.022 0..028 0.045 0.045 0.050 0.055 0.070 0.070 0.085 0.105 0.130 0.130 0.150
0.162 0.187 0.212 0.237 0.262 0.287 0.312 0.362 0.412 0.477 0.597 0.717 0.760 0.815
0.144 0.167 0.191 0.215 0.238 0.262 0.285 0.333 0.380 0.442 0.556 0.670 0.715 0.765
0.051 0.059 0.067 0.075 0.083 0.091 0.100 0.116 0.132 0.153 0.191 0.230 0.223 0.223
0.029 0.033 0.037 0.041 0.045 0.049 0.052 0.060 0.068 0.079 0.099 0.117 0.122 0.131
82° 82° 82° 82° 82° 82° 82° 82° 82° 82° 82° 82° 82° 82°
80° 80° 80° 80° 80° 80° 80° 80° 80° 80° 80° 80° 80° 80°
5/8 3/4 13/16 15/16 1 1-1/8 1-1/4 1-3/8 1-5/8 1-13/16 1-13/16 1-7/8 1-7/8 1-7/8
0.031 0.036 0.042 0.050 0.050 0.053 0.056 0.062 0.071 0.071 0.083 0.083 0.100 0.100
0.520 0.590 0.670 0.750 0.830 0.910 0.980 1.140 1.300 1.500 1.500 1.500 1.500 1.500
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,螺钉末端钉尖上不允许因螺纹辗压而形成的虚尖，允许略带圆弧或圆钝形末端。
③,小于等于8#的螺钉，螺纹牙顶平面宽度不应超过0.004in，大于8#的应不超过0.006in。
④,正常情况下，当螺钉长度小于等于其公称长度L0时应采用全螺纹，过渡螺纹长度应小于等于Y；若螺钉长度大于其公称长度L0可采用半牙型式，但其螺纹长度应不小于b。
替代列表
ASME 18.6.3T8-VI+T40 - 2013 ASME B 18.6.3H2B-VI+T1A - 2024

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) - 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
ASME B 18.6.3 (T8-VI) - 2013
梅花槽半沉头螺钉 VI型【表7&8】

AB型和ABR型自攻螺纹和末端

1 AB型和ABR型自攻螺纹和末端 [Table 40] [美标]
ASME/ANSI B 18.6.3 (T40) - 2013		 AB型和ABR型自攻螺纹和末端 [Table 40]
Dimensions of Threads and Points for Type AB and Type ABR Thread-forming Screws

B型 BP型自攻螺钉螺纹和末端

2 B型 BP型自攻螺钉螺纹和末端 [Table 41] [美标]
ASME/ANSI B 18.6.3 (T41) - 2013		 B型 BP型自攻螺钉螺纹和末端 [Table 41]
Dimensions of Threads and Points for Type B and BP Thread-Forming Tapping Screws

BF型 BT型 自切自攻螺钉螺纹和末端

3 BF型 BT型 自切自攻螺钉螺纹和末端 [Table 43] [美标]
ASME/ANSI B 18.6.3 (T43) - 2013		 BF型 BT型 自切自攻螺钉螺纹和末端 [Table 43]
Dimensions of Threads and Points for Types BF and BT Thread-Cutting Tapping Screws

D, F, G, T 型自攻螺钉 螺纹和末端

4 D, F, G, T 型自攻螺钉 螺纹和末端 [Table 44] [美标]
ASME/ANSI B 18.6.3 (T44) - 2013		 D, F, G, T 型自攻螺钉 螺纹和末端 [Table 44]
Dimensions of Threads and Points for Type D, F, G, and T Thread-Cutting Tapping Screws

A型自攻螺钉螺纹和末端

5 A型自攻螺钉螺纹和末端 [Table 42] [美标]
ASME/ANSI B 18.6.3 (T42) - 2013		 A型自攻螺钉螺纹和末端 [Table 42]
Dimensions of Threads and Points for Type A Thread-Forming Tapping Screws

自挤自攻【TRS型】螺纹和末端

6 自挤自攻【TRS型】螺纹和末端 [Table 45] [美标]
ASME/ANSI B 18.6.3 (T45) - 2013		 自挤自攻【TRS型】螺纹和末端 [Table 45]
Dimensions of Type TRS Tapping Screws

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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