wedge bolt used with pin ,stub pin , wall tie and flat tie to fix formwork in building construction we are ... tie,tie rod,wing nut,scaffold coupler,u-clip,hook,expansion anchor bolt,chain roller,implosion nut ,cutting wire and other non-standard fastener ... pin ,wedge ,wedge pin ,wedge bolt ,flat tie , wall tie ,thread rod , tie rod , tie nut , wing nut and other construction formwork accessories wedge ...