wall tie also known as flat tie used with pin and wedge to fix formwork in ... ,wedge pin,form tie,B-cone,D-cone,hex nut,flat tie ,wall tie,tie rod,wing nut,scaffold coupler,u ... -clip,hook,expansion anchor bolt,chain roller,implosion nut ,cutting wire and other non-standard fastener most of them are used ... in building ,channel,bridge construction to fix formworks flat tie wall tie