Factory Cheap 3 Inch Flat Washer - Carriage bolt – Ji Luo Fastener

Short Description:

The carriage bolt is applied to the groove, and the square neck is caught in the groove during the installation process, which can prevent the bolt from rotating, and the carriage bolt can move in parallel in the groove. Since the head of the carriage bolt is round, there is no design of the available power tools such as a cross recess or a hexagon socket, and it can also function as an anti-theft during the actual connection process.   Haiyan bafang DIN603 round head long neck carriage...