四方槽半沉头 AB ABR自攻螺钉 ASME B 18.6.3 (T8-III+T40) - 2013
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| 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,方槽内壁略带锥度，以保证插入深量规与有镀层螺钉凹槽的配合。为使插入深测量深度适用于有涂镀层的螺钉，制造者在生产（镦头）时，应为其留出必要的加工余量。 ③,表中的“R”表示正常插入深入。 ④,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。 ⑤,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。 ⑥,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。 |
采用标准
AB型和ABR型自攻螺纹和末端
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![AB型和ABR型自攻螺纹和末端 [Table 40]](http://img.164580.com/upload/48/standard/2018/09/28/1538121933855296516.jpg)
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[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
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![B型 BP型自攻螺钉螺纹和末端 [Table 41]](http://img.164580.com/upload/48/standard/2018/09/29/1538186661945324758.jpg)
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[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
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![BF型 BT型 自切自攻螺钉螺纹和末端 [Table 43]](http://img.164580.com/upload/48/standard/2018/09/29/1538208543197073992.jpg)
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[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
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![D, F, G, T 型自攻螺钉 螺纹和末端 [Table 44]](http://img.164580.com/upload/48/standard/2018/09/30/1538274982710145766.jpg)
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[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
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![A型自攻螺钉螺纹和末端 [Table 42]](http://img.164580.com/upload/48/standard/2018/09/29/1538199242541614227.jpg)
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[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
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![自挤自攻【TRS型】螺纹和末端 [Table 45]](http://img.164580.com/upload/48/standard/2018/10/08/1538974825207969765.jpg)
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[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 |
注：技术数据仅供参考，请以官方原件为准！
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[万禧] WS 9200 - 2014 |
内六角圆柱头自攻螺钉 Hexagon socket cheese head self-tapping screws |
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![米制四方槽沉头自攻钉 [Table 11]](http://img.164580.com/upload/48/pic/2024/04/29/1714354417088005093.jpg)
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[美标] ASME B 18.6.3 (H3D-III+T1A) - 2024 |
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[美标] ASME B 18.6.3 (H5C-III+T1A) - 2024 |
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| 15 |
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[美标] ASME B 18.6.3 (H6B-III+T1A) - 2024 |
十字槽球面圆柱头 AB ABR自攻螺钉 Cross recessed raised cheese head tapping screws - Type AB and ABR |
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[美标] ASME B 18.6.3 (H7B-III+T1A) - 2024 |
四方槽大扁头 AB ABR自攻螺钉 Square Recessed Mushroom Head Tapping Screws - Type AB and ABR |
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| 18 |
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[美标] ASME B 18.6.3 (T2-III+T40) - 2013 |
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| 19 |
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[美标] ASME B 18.6.3 (T10-III+T40) - 2013 |
方槽82°沉头清根 AB ABR自攻螺钉 Undercut 82-deg Square Recessed Countersunk Head Tapping Screws - Type AB (ABR) |
| 20 |
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[美标] ASME B 18.6.3 (T12-III+T40) - 2013 |
四方槽82°半沉头清根 AB ABR自攻螺钉 Square recessed undercut oval countersunk head tapping screws - Type AB and ABR |
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[美标] ASME B 18.6.3 (T19-III+T40) - 2013 |
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四方槽大扁头 AB ABR自攻螺钉 Square Recessed Mushroom Head Tapping Screws - Type AB and ABR |
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| 25 |
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[美标] ASME B 18.6.5M (T15) - 2000 (R2010) |
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| 26 |
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[美标] ASME B 18.6.5M (T19) - 2000 (R2010) |
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