9”/229mm Wax Cone (Conical Bolt Box)
Structural Steel Components
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9 /229mm Waxed Cone (Conical Bolt Box) Specification Details Product Code HD17 Material Waxed Cardboard Size 9 /229mm 9 (229mm) wax cone / conical bolt box. Protects holding down bolt threads and creates access void for base plate levelling. For shallow pad foundations. 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 are erected. Without a
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