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Dextra Manufacturing (DM) is part of the Dextra Group of companies. DM develops, manufactures, and markets engineered products for use in concrete construction projects worldwide, such as bridges, power stations, buildings, tunnels, and other infrastructure. DM's core competency includes mechanical splices (couplers) and anchorages (headed bars) for reinforcing steel, as well as high tensile bars, GRFP products, and various concrete construction accessories. == Mechanical Splices & Anchorages == Dextra manufactures various brands of mechanical splices and anchorages, designed in accordance with the differing levels of performance criteria found throughout the world. The most common features of Dextra's Rolltec, Bartec, and Griptec splices are that they are all "parallel-threaded" systems. Some of the common features of Dextra's parallel threaded splicing systems are as follows: * No specific torque is required to assemble the splicing system * Inspection of the assembled system is visual * Cross-threading of threads not possible * Greater structural performance 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Dextra Manufacturing」の詳細全文を読む スポンサード リンク
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