Terex
Hexagonal bolt for Terex HC230
This hexagonal bolt features a specialized Fu II thread pattern designed for secure fastening within the Terex HC230 crawler crane assembly. The component is identified by part number 0551 121 40.
Parts diagram
Compatible models
Specifications
- Part number
- 0551 121 40
- Brand
- Terex
The hexagonal bolt serves as a primary fastening component within the structural and mechanical assemblies of the Terex HC230 crawler crane. It is engineered to maintain the integrity of critical connections across various machine systems, including the chassis, superstructures, and lifting mechanisms. By utilizing a specific Fu II thread design, this bolt ensures a precise fit and secure attachment in applications where consistent clamping force is required to manage dynamic loads during crane operations.
This component is compatible with the Terex HC230 model. It is manufactured to meet the specific thread and dimensional requirements defined for this crane, ensuring that it integrates correctly into existing hardware configurations. Proper installation of this fastener is necessary to maintain the alignment and stability of the machine components it secures.
Hexagonal bolts are standard fasteners used throughout heavy machinery to join structural members or secure auxiliary equipment. They provide a reliable method for assembling components that may require periodic maintenance or inspection. The hexagonal head allows for the application of standard torque tools, facilitating both installation and removal during routine service procedures.

