Wingnut is a component in the construction scaffolding (steger) that serve to help the security of development projects. Wingnut is of good quality will strengthen the construction scaffolding. Power Indra Sakti is a company engaged in the field of metal casting and machining, the casting unit, media smelting furnace steel using induction system and a cupola furnace for producing cast iron. Besides the foundry casting, the magic power Indra also developed alloy steel casting products.