Cylinder head screw for Liebherr LTM 1070-4.1

The component with part number 11 65 65 75 is a wide cylinder head screw used for mechanical fastening within the Liebherr LTM 1070-4.1 mobile crane. This screw conforms to the ISO 7045 standard, ensuring dimensional consistency for its application in various assembly points across the crane structure, including chassis, superstructures, and protective covers. The wide head design provides an increased surface area, which assists in load distribution across the fastened components.

This fastener features an M6 thread diameter with a 30 mm length. It is specified with a 4.8 strength class, indicating a minimum tensile strength of 400 MPa and a minimum yield strength of 320 MPa. These specifications make it suitable for general assembly applications where a secure connection is required. The screw is intended for use specifically with the Liebherr LTM 1070-4.1 model.

Cylinder head screws serve as the primary means of securing panels, covers, and structural brackets in heavy machinery. By providing a stable clamping force, these fasteners maintain the integrity of the machine assembly and prevent movement or vibration of attached components during crane operation.