... 2" MALE CONNECTOR / JOINTS for explosion proof purpose Thread SpecificationBS, Metric, PGMaterialA, C and F part made of intensified ... . Intensified zinc alloy, beautiful appearance, compact structure, high intensity.2. Designed strictly accord to the conduit lock ... dustproof, acid-bases durable, alcohol, oil tallow and common solvent proof.4. Change the thread specification accord to your ...