What are the main differences between the differences between the different thread lengths on the different brands and styles of wedge anchors?
The wedge anchor that is called fully threaded is threaded for a major portion of its length. The diameter of the unthreaded portion is less than the nominal diameter of the threaded portion. The long threaded section of the wedge anchor allows considerable come-and-go for shimming and leveling of the item being secured. But, there is a downside to this feature. It is possible to install such anchors at a depth less than the minimum embedment requirement. Even when the wedge anchor is inserted in a hole at a depth somewhat less than the minimum embedment specified, the nut can be torqued, fixing the anchor in place. Anchoring strength, however, is diminished. The second anchor the partial threaded is threaded for only about one third of it length and the diameter of the unthreaded proportion is less than the nominal diameter. This is partially threaded anchor cannot be successfully installed in any hole that does not meet or exceed minimum embedment requirements. Nevertheless, this typ
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