wing nut 1.two anchor wing nut 2.for tie rod 15/17mm 3.low carbon cast iron 4.used to fasten formwork Product:Two Anchor Formwork Wing Nut1.Style:Two-claw wing nut for formwork2.Material:high precision ductile casting iron3.Threading pitch:6.35mm or 10mm4.Threading technique:casted or machine tap5.Wing nut is suitable for tie rod dia 15/17mm,20/22mm or others.6.Wing nut is a combined waler plate ...