... : Galvanized Colour: Yellow Name: Base Jack NutKeywords: Scaffolding nut Scaffolding Accessories Base jack nut Ductile iron jack nutMaterial: Ductile IronTensile Strength: High strengthSurface ... , Climbing cone, Scaffold top cup, Prop nut, Prop sleeve, Base jack nut, Scaffold coupler, Ledger end, Brace end, Waller plate and ...