tree house build and lag screw strength

if this chart is right, (and im imbedding the bolts deeper then the chart says) the sheer load for one bolt is 1168 pounds, correct?

in that case 4 of them would carry over 4600 pounds, that should be well enough for what im doing, i think


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Yes, you are reading the chart correctly. But, I would plan on doubling or even tripling the expected load to get a factor of safety. Good luck!