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Thread Type
External Driving
Shank
Point
![Square Head Screws Faced Under Head with B.S.Threads - Black [Table 2]](http://img.globalfastener.com/upload/48/pic/2019/02/22/1550795391463087118.jpg)
![Square Nuts with B.S.Threads - Faced One Side or Both Side - Black [Table 3]](http://img.globalfastener.com/upload/48/pic/2023/08/14/1691983419240084562.jpg)
![Square Head Bolt with B.S.Threads [Table 1]](http://img.globalfastener.com/upload/48/pic/2024/06/06/1717652527200643792.jpg)
