Gangtong Zheli is China manufacturer & supplier who mainly produces Stainless Steel Double Headed Bolt Dowel Bolt Hanger Bolt for Steel with many years of experience. Hope to build business relationship with you. A stainless steel double-headed bolt is a specialized fastener with two threaded ends. This unique design allows for versatility in various applications where secure connections and adjustability are required. They find applications in a variety of industries, including construction, automotive, manufacturing, and more, where strong and adjustable connections are essential. These bolts are a valuable addition to various projects that require adaptable and corrosion-resistant fasteners. Whether for construction, machinery, or other applications, stainless steel double-headed bolts are chosen for their strength and flexibility in achieving reliable connections.
It is distinguished from other bolts by its shallow mushroom head and that the shank cross-section of the bolt is circular for most of its length, as usual, but the portion immediately beneath the head is formed into a square section. This makes the bolt self-locking when placed through a square hole in a metal strap, or a round hole in most wood. This allows the fastener to be installed with only a single tool, a spanner or wrench, working from one side. The head of a carriage bolt is usually a shallow dome. The squared section is of the same size as the diameter of the bolt shank, with a plain unthreaded shank.
Carriage bolts were developed for use through iron strengthening plates on either side of a wooden beam. It is commonplace though to use them to bare timber, the squared section giving enough grip to prevent rotation.
Carriage bolts are extensively used in security fixings, such as the Brenton Bolt where the bolt must only be removable from one side. The smooth domed head and square nut below prevent the carriage bolt from being unlocked from the insecure side.