I have the Stihl FS460C clearing saw, can I put a grass trimmer head on it?

I can confirm the below are compatible: 4003 710 2189 - Stihl Mowing Head Autocut 40-2 https://www.lsengineers.co.uk/autocut-40-2-stihl-strimmer-head.html. 4119 713 4100 - Brush Knife 300-3 300mm 3 Blade https://www.lsengineers.co.uk/catalog/product/view/id/22769