steel type API Drill Tools REG type Thread Protector Main Features Complete coverage of entire thread form and seal area on both internal and external threads Ideal for all grades of pipe, especially alloy grade Rugged thread impact protection and sealing abilities Performs in ...

Dongying Lake Petroleum Technology Co., Ltd.    [Minerals & Metallurgy]   [Metal & Metallurgy Machinery Parts]   [2020-04-11 14:40:11 ]