The Ring Plunger (RP) set, also known as the Torpedo or Nose Cone Set, is primarily used in injection molding machines. Known for its high tensile strength and precise construction, our RP Sets are manufactured using various high-quality materials, including EN41B. To enhance durability and hardness, we apply the gas nitriding process, resulting in a surface hardness of 62 to 65 HRC. These sets are available in diameters ranging from 14mm to 200mm, making them suitable for diverse applications. RP Sets are widely utilized in both injection molding and blow molding machines, ensuring efficient and reliable performance.