The 20x1.5M Hex Plug Par. w/ISO OR from Fittings Unlimited Inc is a high-quality hex plug designed for sealing applications. Featuring a 20mm diameter and 1.5mm thread pitch, this plug is compatible with ISO standards, ensuring a secure and leak-proof seal. Constructed from durable materials, it is built to withstand high pressure and temperature variations, making it ideal for hydraulic and pneumatic systems. This plug is easy to install and remove, making it a practical choice for professionals looking for reliable sealing solutions.