Key benefits and features - High toughness with good cold and hot processing performance, enabling reliable fabrication and long service life - Excellent machinability for precise fittings and assemblies - Grade 4.8 carbon steel provides high strength for critical connections - Suitable for demanding applications that carry dynamic loads What this product is - Material: Grade 4.8 carbon steel - Function: Nut material commonly known as a high-strength bolt - Purpose: Used for strong connections in structural and mechanical components Applications and compatibility - Connecting beam columns in steel frame structures - Connecting solid girders and heavy crane girders in brake systems of industrial equipment - Connecting important structures that carry dynamic loads - Broadly used in roller bearings, axial shafts, pump valves, and related components Usage scenarios - Scenario 1: In steel frame construction, use these bolts to join beam columns for a secure, durable connection capable of withstanding dynamic loading - Scenario 2: In heavy machinery and crane systems, employ these bolts to connect crane girders and critical structural elements to ensure stability and safety - Scenario 3: In rotating or fluid systems, install these bolts in components such as bearings, shafts, or valves where high-strength fastening is required Care and notes - Color of the item may differ slightly from the product image due to camera and lighting effects; please refer to the actual item as the standard Maintain consistency with product brand and specifications - This description reflects the material, function, and typical applications of grade 4.8 carbon steel high-strength bolt materials used for strong structural connections and dynamic-load bearing components.