Wellmade's concrete tie rod include heavy-duty type dywidag tie bars and cold rolled tie rods for construction concrete formwork and structural steel building. This is the 15/17(D16) size tie rod technical ultimate load test in wellmade. According to load capacity test result, dywidag tie rod bars are 190KN for 15/17mm tie rod. 450 steel concrete tie rod ultimate load is 145KN. S235 steel tie rod system is 110-130KN sales@wm-scaffold.com www.wm-scaffold.com