四方槽沉頭螺釘 [Table 2] (ASTM F837, F468) ASME B 18.6.3 (T2-III) - 2013
| 選擇規格尺寸 點擊↓ 2# 3# 4# 5# 6# 7# 8# 10# 12# 14# 1/4 16# 18# 5/16 20# 24# 3/8 |
尺寸單位:
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![ASME B 18.6.3 (T2-III) - 2013 四方槽沉頭螺釘 [Table 2] (ASTM F837, F468)](https://img.164580.com/upload/48/pic_cadpara/460_zh.png?ue=1714175569&local=cache&tp=canvas&pict=png)
![美标ASME B18.6.3 (T2-III) - 2013 ASME18.6. 四方槽沉頭螺釘 [Table 2] (ASTM F837, F468)](https://img.164580.com/upload/48/pic/2023/12/07/1701939524711725180.jpg)
![ASME B 18.6.3 (T2-III) - 2013 四方槽沉頭螺釘 [Table 2] (ASTM F837, F468)](https://img.164580.com/upload/48/qrcode_standardurl/5102.png)
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| ①,頭部邊緣為倒圓或平的。 ②,小于等于長度L的螺釘，為清根沉頭型。 ③,7#, 14#, 16#, 18#, 20#, 24#僅用于自攻螺釘。 ④,機械螺釘的螺紋長度： 1）螺紋規格≤5#: 公稱長度≤3倍公稱直徑的應為滿扣產品，頭下螺紋肩距≤1倍螺距。 公稱長度＞3倍公稱直徑到 1-1/8 in 的，允許頭下肩距最大不超過2倍螺距。 若無其他規定，長螺釘的最小螺紋長度為1 in 。 2）螺紋規格≥6#: 公稱長度≤3倍公稱直徑的應為滿扣產品，頭下螺紋肩距≤1倍螺距。 公稱長度＞3倍公稱直徑到 2 in 的，允許頭下螺紋肩距最大不超過2倍螺距。 若無其他規定，長螺釘的最小螺紋長度為 1.5 in 。 ⑤,R代表正常插入深度，S代表短（淺）插入深度 ⑥,機械螺釘材料 1)非熱處理低碳鋼，如1006~1022 硬度HRB69-100 2)當機械螺釘規定硬度時，應采用中低碳鋼制造，如含硼或不含硼1018~1038 硬度HRC25-38 |
采用标準
自攻螺紋
| 1 |
![AB型和ABR型自攻螺紋和末端 [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型自攻螺紋和末端 [Table 40] Dimensions of Threads and Points for Type AB and Type ABR Thread-forming Screws |
| 2 |
![B型 BP型自攻螺釘螺紋和末端 [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型自攻螺釘螺紋和末端 [Table 41] Dimensions of Threads and Points for Type B and BP Thread-Forming Tapping Screws |
| 3 |
![A型自攻螺釘螺紋和末端 [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型自攻螺釘螺紋和末端 [Table 42] Dimensions of Threads and Points for Type A Thread-Forming Tapping Screws |
| 4 |
![BF型 BT型 自切自攻螺釘螺紋和末端 [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 自切自攻螺釘螺紋和末端 [Table 43] Dimensions of Threads and Points for Types BF and BT Thread-Cutting Tapping Screws |
| 5 |
![D, F, G, T 型自攻螺釘 螺紋和末端 [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 型自攻螺釘 螺紋和末端 [Table 44] Dimensions of Threads and Points for Type D, F, G, and T Thread-Cutting Tapping Screws |
| 6 |
![自擠自攻【TRS型】螺紋和末端 [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 |
自擠自攻【TRS型】螺紋和末端 [Table 45] Dimensions of Type TRS Tapping Screws |
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登陸後可見類似标準及供貨信息
| 7 |
![80°四方槽沉頭螺釘 [Table 2]](http://img.164580.com/upload/48/pic/2023/12/07/1701939524410309273.jpg)
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[美标] ASME/ANSI B 18.6.3 - 2010 |
80°四方槽沉頭螺釘 [Table 2] 80° Square Recessed Countersunk Head Screws 供應商(1) |
| 8 |
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[美标] ASME/ANSI B 18.6.7M - 1998 |
米制四方槽沉頭螺釘Table5 Metric square slot countersunk head screws 供應商(1) |
| 9 |
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[美标] ASME B 18.6.3 (T10-III) - 2013 |
方槽82°沉頭清根機械螺釘 Undercut 82-deg Square Recessed Countersunk Head Screws, Type III |