Originally Posted By: John E
I believe you are all missing a factor when considering a tapered screw. Wood does not act as a solid as metal does. If a straight screw is used, only the threads have purchase and the wood can easily shear. A tapered screw will wedge its way into the wood and the wood will have a vise like clamping affect on the screw. This may double the holding ability of the screw. Longevity is dependent on the number of cycles in/out and the density of the wood itself.


Bingo

David