For oil filters with 3/4" -16 UNF thread Oil filter screw 3/4" -16 UNF Oil filter screw for mounting the sandwich plate For oil filters with 3/4" -16 UNF 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 3/4" threads, which cover a wide range of European vehicles. We also supply M20x1.5 filter screws as other items and other threads on request. Length: 45mm