Just got a room back that I rent out in a HMO and the shower has not be kept clean. This had resulted in the bottom rollers no longer rotating around there axials. I have managed to release all of them but 2 of them I was unable to repack the bottom of them with plumbers grease as the grub screw was locked in firm and not made of the hardest material. I can easily drill these out but will need a replacement slotted grub screw x2. Has anyone got 2 of these spare or know where I can source the grub screws? Pictures attached.
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