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Design Method <br />Connection Type <br />Fastener Type <br />Loading Scenario <br />Main Member Type <br />Main Member Thickness <br />Side Member Type <br />Side Member Thickness <br />Washer Thickness <br />Nominal Diameter <br />Length <br />Load Duration Factor <br />Wet Service Factor <br />End Grain Factor <br />Temperature Factor <br />Adjusted ASD Capacity 1153 lbs. <br />The Adjusted ASD Capacity only applies to withdrawal of the fastener from the <br />main member. It does not address head pull-through capacity of the fastener in the <br />side member. <br />While every effort has been made to insure the accuracy of the information presented, and <br />special effort has been made to assure that the information reflects the state-of-the-art, <br />neither the American Wood Council nor its members assume any responsibility for any <br />particular design prepared from this on-line Connection Calculator. Those using this on-line <br />Connection Calculator assume all liability from its use. <br />The Connection Calculator was designed and created by Cameron Knudson, Michael <br />Dodson and David Pollock at Washington State University. Support for development of the <br />Connection Calculator was provided by American Wood Council. <br />Allowable Stress Design (ASD) <br />Withdrawal loading <br />Lag Screw <br />N/A <br />Douglas Fir-Larch <br />7.5 in. <br />Steel <br />1/4 in. <br />0 in. <br />3/8 in. <br />7 in. <br />C_D = 1.0 <br />C_M = 1.0 <br />C_eg = 1.0 <br />C_t = 1.0 <br />09:54 16/8/24 Connection Calculator <br />https://calc.awc.org/connection/ccstyle.asp?design_method=ASD&connection_type=Withdrawal+loading&fastener_types=Lag+Screw&loading_scenar…1/1 <br />49 <br />1430 E Edinger Ave <br />3/27/2025