18”/457mm Wax Cone (Conical Bolt Box)
Structural Steel Components
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18 /457mm Waxed Cone (Conical Bolt Box) Specification Details Product Code HD20 Material Waxed Cardboard Size 18 /457mm 18 (457mm) waxed cardboard cone / conical bolt box. For deep foundations on larger portal frame and industrial buildings. Creates a void for bolt adjustment and alignment. What Is a Wax Cone? A wax cone (also called a conical bolt box or void former) is a waxed cardboard cone used when setting holding down bolts into concrete foundations. It creates a conical void around the bolt, giving you the lateral adjustment needed to line up your steelwork accurately when the columns a
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