We professionally produce cold heading inner and outer hex non-standard round nuts, hook thumbtack iron shells and all kinds of special-shaped hardware parts, adopting integrated one-time cold heading forming combined with precision CNC machining technology. Made of high-quality iron and carbon steel materials, all parts feature high overall strength, good toughness, precise dimensional tolerance and smooth surface finish. The one-time cold heading forming process ensures integral structure without easy deformation, while CNC finishing further optimizes assembly accuracy and matching performance. Custom inner and outer hex non-standard round nuts support special size customization; hook thumbtack iron shells are neatly formed with stable structure for firm installation; various irregular special-shaped parts can be tailor-made according to drawings and samples. Widely used in hardware fasteners, daily hardware, furniture accessories, architectural decoration and mechanical assembly industries. We provide one-stop customized processing, mass production and factory direct supply, with strict quality inspection to deliver high-quality formed hardware parts for various industrial supporting applications.