Butterfly double ring buckle

Butterfly is a kind of new building materials, is an ideal tool template and anchor rod lock. Have a card with the tension rod fixture of the wedge-shaped bolt anchor rod resistance, reliable work. Compared with the traditional screw rod, the nut, the gasket not only replace the function, but also changes the traditional template rod operation, effective control of the template size, improve the smooth surface quality of concrete component, application of flat buckle and butterfly, with a pull rod without processing, saving screw rod material processing fees, optional, for as long as the steel rod and rebar fixture can be through (usually 10--12mm rod), and rod length restrictions, as long as enough on the line. Construction operation is very convenient, quick, more than 50% more than threaded rod saving workers, and can be used repeatedly, long life, maintenance costs and other advantages!