WTI Inserts conform to all recognised national and international thread and wire thread insert standards. When installed they provide close tolerance threads which accept both conventional and controlled root radius male threads. Because of their mechanical advantage, when correctly installed, WTI inserts can easily achieve threaded assemblies where tensile failure of the male thread should occur before insert failure. Clearly a beneficial condition for product design since threaded assemblies can be more accurately calculated around known limits - i.e. bolt yield etc