In fact, the appearance of Hexagon Flange Bolt does not seem to be very different from ordinary ordinary hexagon head bolts, but there are certain differences. For example, the head of a hexagon flange bolt is composed of two parts: a hexagon head and a flange face. Yes, this is also the fundamental difference from ordinary hexagon head bolts. Because of its structure, its "support area to stress area ratio" is larger than that of ordinary hexagon head bolts, and therefore the pre-tightening force that Threaded Rods And Eye Bolts can withstand is better, which means it It has stronger anti-loose performance, so it is widely used in automobile engines, heavy machinery and other products, and has a good use effect.