Sheet metal screw for Liebherr LTM 1070-4.1

This component is a countersunk head sheet metal screw used for securing various panels, covers, and interior or exterior fittings on the Liebherr LTM 1070-4.1 mobile crane. It is designed to create its own thread when driven into materials such as sheet metal or plastics, ensuring a secure attachment point across the machine assembly. The part is manufactured to the ISO 7051 standard, which specifies a countersunk head with a Phillips drive. The technical specifications for this screw are defined as ST4.8x19, indicating a nominal diameter of 4.8 mm and a length of 19 mm. It is identified by part number 40 82 809 08. Sheet metal screws are used throughout heavy machinery to join thin materials or attach lightweight components to the main structure. By cutting or forming a thread in the mating material, they provide a reliable mechanical connection that helps maintain the integrity of access panels, electrical housings, and protective covers found on mobile cranes.