This bolt secures the deflector assembly on the chaff spreader of a harvesting machine. It is a metric fastener with a standard thread profile and a hardness rating of 8.8, which corresponds to a specific tensile strength for the material. The bolt holds the deflector in its intended position against vibration and operational loads. A loose or missing bolt allows the deflector to shift, which misdirects the chaff stream and can lead to uneven residue distribution behind the machine. When reinstalling, apply the torque value specified for a property class 8.8 fastener.