Countersunk Bolt (ALLEN KEY FACED) Hex socket flat round head bolt is a specialized product manufactured by our factory. As an established manufacturer of industrial fasteners, we ensure that our products are made of premium quality materials and built to meet the highest standards in the industry. These bolts come equipped with an ALLEN KEY FACED that makes installation and maintenance a breeze. The Hex socket flat round head bolt design is perfect for use in applications where a smooth surface is needed. It is also ideal for connecting two surfaces where the bolt head needs to be flush with one of them. At our factory, we take pride in manufacturing products that exceed our customers' expectations. Trust us to deliver products that are reliable, durable and of superior quality.