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| ①,最小螺紋長度: 螺紋的最小長度應(yīng)等于螺栓基本直徑的兩倍加上0.25英寸(對于6英寸或更短的螺栓標(biāo)稱長度),以及兩倍基本螺栓直徑加上0.50英寸(對于較長的標(biāo)稱長度)。 標(biāo)稱長度太短而無法容納最小螺紋長度的螺栓應(yīng)為全螺紋螺栓。從頭部或頸部到第一個完整(完整)螺紋的長度不得超過2-1/2螺紋(尺寸小于等于1英寸)和3-1/2螺紋(尺寸大于1英寸)。 | 
類似標(biāo)準(zhǔn)及供貨信息
| 1 |   | [國標(biāo)] GB /T 801 - 2021 | 小半圓頭低方頸螺栓 B級 Cup Head Square Neck Bolts with Small Head and Short Neck - Product Grade B 供應(yīng)商(3) | 
| 2 |   | [國標(biāo)] GB /T 801 - 1998 | 小半圓頭低方頸螺栓 B級 Cup Head Square Neck Bolts with Small Head and Short Neck - Product Grade B 供應(yīng)商(3) | 
| 3 |   | [國標(biāo)] GB 801 - 1988 | 半圓頭低方頸螺栓 C級 Cup Square Neck Bolts with Short Neck - Product Grade C 供應(yīng)商(3) | 
| 4 |   | [國際] ISO 8678 - 1988 | 小半圓頭矮方頸螺栓 B級 Cup Head Square Neck Bolts with Small Head and Short Neck - Product Grade B | 
| 5 |   | [日標(biāo)] JIS B 1171 - 2005 | 半圓頭方頸螺栓 Cup Head Square Neck Bolt | 
| 6 | ![半圓頭低方頸馬車螺栓 [表2]](http://img.164580.com/upload/48/pic/2021/07/16/1626399486877701015.jpg)  | [日標(biāo)] JIS B 1171 (AT2) - 1996 | 半圓頭低方頸馬車螺栓 [表2] Round Head Bolts with Short Square Neck [Table 2] | 
| 7 | ![英制圓頭矮方頸螺釘 [Table3]  (A307, SAE J429, F468, F593)](http://img.164580.com/upload/48/pic/2021/07/16/1626399486877701015.jpg)  | [美標(biāo)] ASME/ANSI B 18.5 (T3) - 2012 | 英制圓頭矮方頸螺釘 [Table3]  (A307, SAE J429, F468, F593) Round Head Short Square Neck Bolts,(Inch Series) [Table3] (A307, SAE J429, F468, F593) | 
| 8 |   | [美標(biāo)] ASME/ANSI B 18.5.2.1M - 2011 | 米制圓頭矮方頸螺釘 Metric Round Head Short Square Neck Bolts | 
| 9 |   | [美標(biāo)] ASME/ANSI B 18.5 - 2008 | 圓頭矮方頸螺釘Table3 Round Head Short Square Neck Bolts | 
| 10 |   | [美標(biāo)] ASME/ANSI B 18.5.2.2M - 2005 | 米制圓頭方頸螺釘 Metric Round Head Square Neck Bolts |