Threaded plugs that effectively protect internal threads in hydraulic components are particularly appreciated for their tightness and quality. These products are available in various materials and with different sealing solutions, depending on the high-temperature requirements. Hexagonal shape to secure easy mounting and dismounting using standard automatic or semiautomatic tools. Flanges come in various diameters to ensure better masking. They are recommended for hydraulic and steering components in automotive applications tested under pressure. In this range some parts are available with washer or O-ring.