One-off thread protector is the necessary auxiliary product for specialized steel pipe of oil, and it is used to protect steel pipe thread in the handling and transportation process. It can protect inner thread and outer thread, and other thread protectors protect outer thread only. It is composed of two parts: male buckle and female buckle. And both the two parts are made from nylon. One-off thread protectors have different buckle types, such as STC, LTC, BTC, EU and NU, making them suitable for different kinds of pipes. If you have the demand, please contact us via [email protected].