M18 x 1.5mm Fine Pitch Socket Pipe Plugs (DIN 906) - A4 Stainless Steel Socket Pipe Plugs are used to close bore holes with a cylindrical internal thread. The temperature will depend on the medium, temperature, pressure and material pairing. These are in the standard of DIN 906. These Socket Pipe Plugs are made from A4 Marine Grade Stainless Steel which provides corrosion and oxidation resistance as well as increased resistance in harsh chemical and outdoor environments. For larger quantities or custom lengths, please email and one of our team will provide you with a quotation. M18 x 1.5mm Fine Pitch Socket Pipe Plugs (DIN 906) - A4 Stainless Steel