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| PRINTABLE VERSION IN PDF FORMAT |
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Figure
No. |
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Fasteners |
Compression rating with 2.125" hole drilled in stud |
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Allowable load* |
AVG ULT^ |
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534-1 |
single |
4ea 1/2" x 2.5" bolts |
4,500 lbs |
15,500 lbs |
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534-2 |
double |
4ea 1/2" x 4.0" bolts |
8,900 lbs |
30,800 lbs |
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534-3 |
triple |
4ea 1/2" x 5.5" bolts |
8,900 lbs** |
** |
Products tested by
Architectural Testing. Results in pdf format click here
* Requirements per AC-13: Section 3.2, Test and Performance Requirements
** Not tested -- Allowable load same as 534-2
^AVG ULT: A 2.0625 inch diameter hole was drilled in
Douglas fir construction lumber 2 x 4 and a studfixer was installed
according to instructions. Architectural Testing Labs, an independent
lab, tested the studfixer assembly to determine the peak load at
failure. The AVG ULT is the average peak load of 3 samples. Full test
results are available at www.gfm.biz/studfixer.
AVG ULT should not be used for design standards.