无槽或开槽六角头以及大六角头螺钉 [Table 29] (ASTM F837, F468) ASME B 18.6.3 (T29) - 2013
| 选择规格尺寸 点击↓ 1# 2# 3# 4# 5# 6# 7# 8# 10# 12# 14# 1/4 5/16 20# 24# 3/8 7/16 1/2 |
尺寸单位:
inch |
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![ASME B 18.6.3 (T29) - 2013 无槽或开槽六角头以及大六角头螺钉 [Table 29] (ASTM F837, F468)](https://img.164580.com/upload/48/pic_cadpara/1487_zh.png?ue=1713631202&local=cache&tp=canvas&pict=png)
![美标ASME B18.6.3 (T29) - 2013 ASME18.6.3 1 无槽或开槽六角头以及大六角头螺钉 [Table 29] (ASTM F837, F468)](https://img.164580.com/upload/48/pic/2024/03/14/1710396827146474173.jpg)
![美标ASME B18.6.3 (T29) - 2013 ASME18.6.3 1 无槽或开槽六角头以及大六角头螺钉 [Table 29] (ASTM F837, F468)](https://img.164580.com/upload/48/pic/2023/08/21/1692577377381696899.jpg)
![美标ASME B18.6.3 (T29) - 2013 ASME18.6.3 1 无槽或开槽六角头以及大六角头螺钉 [Table 29] (ASTM F837, F468)](https://img.164580.com/upload/48/pic/2020/08/04/1596508387830655007.jpg)
![ASME B 18.6.3 (T29) - 2013 无槽或开槽六角头以及大六角头螺钉 [Table 29] (ASTM F837, F468)](https://img.164580.com/upload/48/qrcode_standardurl/5000.png)
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| ①,其他凹槽型式请点击标题下方的“采用标准” ②,凹穴六角头允许所有边缘和棱角略有圆钝，但支承面圆周直径不小于最小对边宽度的90%。 ③,除非用户有要求，六角头机械螺钉不需要开槽。 ④,7#,14#, 20#, 24#用于自攻螺钉。 ⑤,除非客户另有要求，一般应提供标准六角或大六角凹穴型，开槽与否由制造者自行选择。 ⑥,机械螺钉的螺纹长度： 1）螺纹规格≤5#: 公称长度≤3倍公称直径的应为满扣产品，头下螺纹肩距≤1倍螺距。 公称长度＞3倍公称直径到 1-1/8 in 的，允许头下肩距最大不超过2倍螺距。 若无其他规定，长螺钉的最小螺纹长度为1 in 。 2）螺纹规格≥6#: 公称长度≤3倍公称直径的应为满扣产品，头下螺纹肩距≤1倍螺距。 公称长度＞3倍公称直径到 2 in 的，允许头下螺纹肩距最大不超过2倍螺距。 若无其他规定，长螺钉最小螺纹长度为 1.5 in 。 ⑦,ds应不小于2A级螺纹最小中径，并不大于公称（基本）螺纹大径。 ⑧,凹穴型凹穴底部以下的槽深度应不小于规定最小槽深的1/3。 |
采用标准
自攻螺纹：
| 1 |
![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 |
| 2 |
![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 |
| 3 |
![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 |
| 4 |
![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 |
| 5 |
![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 |
| 6 |
![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 |
类似标准及供货信息
| 7 |
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[国标] GB /T 29.2 - 1988 |
十字槽凹穴六角头螺栓 Cross recessed hexagon bolts with indentation 供应商(4) |
| 8 |
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[国标] GB /T 29.1 - 2013 |
六角头带槽螺栓 Hexagon Bolts With Slot On Head |
| 9 |
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[国标] GB /T 29.1 - 1988 |
六角头头部带槽螺栓 A级和B级 Hexagon Bolts With Slot On Head - Product A and B |
| 10 |
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[国标] GB 29 - 1976 |
开槽六角螺栓 Slotted hexagon bolts |
| 11 |
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[法国] NF E 25-137 - 1986 |
金属用螺钉 开槽六角头螺钉 A级 符号HS Slotted Hexagon Head Screws For Metal, Product Grade A, Symbol HS |
| 12 |
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[英标] BS 1981 - 1991 |
开槽六角头螺钉 [Table 16] Plain and Slotted Hexagon Head Screws [Table 16] |
| 13 |
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[台湾] CNS 4702 - 1982 |
开槽六角头防脱出杆螺栓 Slotted Hexagon Head Bolts With Reduced Body |
| 14 |
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[航空] HB 8035 - 2002 |
开槽六角头螺栓 Hexagon Bolts With Recess |
| 15 |
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[航空] HB 8260 - 2002 |
开槽六角头螺栓 Hexagon Bolts With Recess |