Sleeve Foundation Bolt manufactured by LG Industries is a type of mechanical anchor bolt used to fix steel structures, base plates, handrails, and equipment into concrete or masonry. It consists of a threaded bolt combined with an expandable metal sleeve that grips the concrete when tightened.Design & Working PrincipleMade of a threaded bolt, expansion sleeve, nut, and washer.When the nut is tightened, the bolt pulls up, causing the sle ... Continue