Parveen Industries Pvt. Ltd. Offers High Torque Strength Flush-Joint Washpipe. The High Torque Strength Flush-Joint Washpipe falls in the category of Down Hole Flow Control Systems. Parveen Industries Pvt. Ltd. Is an ISO 9001:2000 certified company. The High Torque Strength Flush-Joint Washpipe develops twice the torque load strength of ordinary joints for continued make and break usage. The features of this Washpipe are 2-Step, non-tapered thread profile; no thread interference to cause galling; fast make-up; stable, 2-thread flank stabbing; rugged 90 degree torque shoulders; provided by two square shoulders; torque shoulders make-up together and act as a unit; develops twice the torque strength of regular connection; threads designed specifically for washpipe service; resistance to handling damage and shoulders like a tool joint for the repeated use requirements of wash over operations.