Thread Size
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5/16-18
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Grip Code
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312
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Grip Range
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.150 - .312 in
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A ± .020
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.920 in
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B ± .015
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.685 in
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C Nom.
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.035 in
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øD Max.
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.530 in
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Stud Length L Nom. (at Max. Grip)1
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.530 in
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Hole Size in Sheet + .006 - .000
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.531 in
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Fastening
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Uninstalled
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Thread Specification
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2A per ASME B1.1
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Standard Material
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Insert - Low Carbon Steel, Stud - Heat-treated carbon steel
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Standard Finish
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RoHS Compliant Zinc Yellow
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CAD Supplier
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PennEngineering® (Atlas®)
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1 The “L” dimension is the height of the installed stud at max grip. The height of the stud will increase if it is installed into thinner material. To calculate “actual L” use this formula: max grip - actual grip + L = “actual L”
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