Required design applications and diameter of wedge anchor have been specified by an engineer, then the anchor diameter specified should always be used. The base plate or bracket being fastened comes with a pre-drilled hole and these holes may determine the diameter of wedge anchor to be used, unless the holes are enlarged to allow a larger diameter of wedge anchorto be used. The heavier the object being fastened, the larger the diameter of the wedge anchor must be used. – the diameter of wedge anchor to use is determined by a number of factors, such as load values requirements, diameter of hole in fixture or specified by an engineer. – is a standard flat round washer made with carbon steel and zinc plated or stainless steel.ĭetermining Size and Material of Wedge Anchor to Use: Diameter – is a standard national coarse hex nut made with carbon steel and zinc plated or stainless steel. – is permanently attached to the anchor body around the neck down area of the anchor body, made with carbon steel and zinc plated or stainless steel. – is made from galvanized carbon steel or stainless steel it is threaded on one end for a portion of its length while the diameter is necked down and cone shaped tapering up to the nominal diameter at its other end. The clip is then expanded and wedged between the anchor body and the concrete. This action pulls the anchor body up, which slides the expansion clip down the cone-shaped working end of the wedge anchor. Wedge anchors are to be installed into solid concrete only and should not be used in other base materials such as brick, AAC and hollow concrete block. A very simple mechanism allows excellent consistent holding values in concrete to be achieved. Once inserted into the hole in the concrete, the nut is turned clockwise. Wedge anchors are designed to fix into a concrete substrate permanently. Wedge Anchor : Determining Size and Material to Use
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