no other articles link to it . please introduce links to this page from related articles ; try the find link tool for suggestions . november 2015 dextra manufacturing type soci t anonyme industry manufacturing and distribution of construction products headquarters bangkok thailand key people jean marie pithon ceo herv lemoine managing director products mechanical couplers & anchorages rolltec bartec griptec sonitec number of employees 800 worldwide website www.dextragroup.com 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 edit 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 parallel threaded feature griptec bartec rolltec simple position couplers same as standard couplers n y y no specific torque required y y y visual assembly no checking of torque required y y y greater structural performance exceeds aci 318 type 1 & 2 criteria y y y no reduction in cross sectional area y y n guarantees bar break ductile performance y y n cost saving features position couplers same as standard couplers single piece n y y easier assembly no specific torque required reduced placing costs y y y lower thread production costs y y y reduced space requirements y n y retrieved from https en.wikipedia.org w index.php title dextra manufacturing & oldid 719654640 categories manufacturing companies based in bangkokconstruction and civil engineering companieshidden categories orphaned articles from november 2015all orphaned articlescompanies with year of establishment missing navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 11 may 2016 at 00 12 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view