





The Double-headed Bolt, also affectionately known as a double-headed screw, stands as a marvel in cylindrical fasteners with threads gracing both ends. Renowned for its robust design and versatility, it shines in diverse application areas, including:
Distinguished Features
1. Exceptional Connection Strength: Featuring threads on both ends, these bolts deliver outstanding clamping force, guaranteeing a steadfast and reliable connection.
2. Effortless Installation and Removal: Perfect for challenging scenarios where direct bolt connections prove tough, double-headed bolts simplify operations by allowing one end to be securely screwed in before affixing a nut, ensuring user-friendly installation.
3. Versatile Adjustability: Choose from various lengths to meet specific thickness and installation requirements of components, offering a tailored fit and flexibility in application.
4. Extensive Versatility: Universally applied across mechanical manufacturing, construction engineering, automotive sectors, shipbuilding, power generation, chemical processing, oil refining, valves, and beyond, suitable for connecting a wide array of materials and configurations.
Structural Highlights
1. Dual-End Threads: The double-headed stud proudly features threaded ends, customizable to align in the same or opposing directions, catering to unique requirements.
2. Smooth Central Section: A signature feature includes a non-threaded, smooth cylindrical middle, known as the smooth rod, delivering stability and support.
3. Range of Specifications: Available in a variety of dimensions, thread diameters span from M2 to M100 millimeters, with customizable lengths. Threads are classified into coarse (M) and fine (M multiplied by pitch), addressing diverse application needs.
Material Choices and Surface Treatments
1. Trusted Materials: Crafted from carbon steel (e.g., Q235, 45 # steel), alloy steel, and stainless steel, each material offers unique mechanical and corrosion resistance properties, suiting diverse environments.
2. Enhanced Surface Treatments: To elevate both corrosion resistance and visual appeal, surface treatments like electroplating, blackening, oxidation, phosphating, and non-electrolytic zinc coating are commonly employed.
Application Insights
1. Connecting Large Equipment: Perfect for securing large-scale equipment such as bridges, automobiles, mining machinery, and boilers, where frequent disassembly and assembly are required, facilitating seamless maintenance.
2. Ideal for Thick Connectors: When faced with thick connectors where regular bolts fall short, double-headed bolts excel. They allow one end to snugly fit into the connector while a nut secures the opposite end.
As crucial fasteners, double-headed bolts offer unmatched connection strength, simple installation, adaptability, and widespread applicability. Selecting the right double-headed bolt involves considering specific environmental and connection demands, ensuring optimal performance.