The sum of these three items equals the minimum length. Length: To determine the length required, add the thickness of the material to be fastened, plus minimum embedment, plus the thickness of the nut and washer. Strike anchors should be used in solid concrete only. Strike anchors are made from carbon steel and plated with a yellow dichromate zinc plating. They are available in diameters ranging from 1/4" to 3/4” and with lengths up to 6”. Considerations include ultimate holding values, minimum embedment, the spacing between anchors and minimum edge distance.
The length of the anchor is measured as an overall length with the body of the anchor being threaded for a portion of its length.īefore installing strike anchors, certain technical specifications must be considered to ensure the correct size and length are used.The number of anchors in a box varies depending on the length and diameter of the anchor. Each box of anchors comes packaged with nuts and washers.CONFAST® Strike anchors come in six diameters of 1/4", 5/16", 3/8", 1/2", 5/8", 3/4"and a wide variety of lengths that will meet most application requirements.A rule of thumb for fastening to concrete is that the larger the diameter and the deeper the embedment then the greater the holding values that may be obtained.
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