M20 x 1.5mm Fine Pitch Hexagon Head Pipe Plugs (DIN 910) - A4 Stainless Steel Hexagon Head Pipe Plugs have a Hexagon Head shape and are typically used to be screwed into holes with a parallel thread or to seal the end of internal thread pipe fittings. These are in the standard of DIN 910. These Hexagon Head 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. M20 x 1.5mm Fine Pitch Hexagon Head Pipe Plugs (DIN 910) - A4 Stainless Steel