Filterschraube einzeln Öl und Co Öl-Kühler Zubehör Filter screw single M20 Oil filter screw for mounting the sandwich plate For oil filters with M20x1.5 thread The filter screw as spare or single part is used to mount the sandwich plate under the oil filter. It forms the extension of the thread on which the oil filter is mounted. This filter screw is suitable for M20x1.5 thread, which covers most Asian vehicles. We also supply 3/4/ / M18 filter screws as other items and other threads on request.