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      The future of the JD Forum   07/31/18

      Thank you all for your participation on the JD Forums.  We have enjoyed answering your questions, providing project advice and technical assistance on this forum for a number of years. We believe that there are now better ways to provide this service for our customers and the community. With that in mind, we have made the difficult decision to discontinue the Jamestown Distributors Forum.   Our JD Tech Team is committed to being your trusted technical resource, and we encourage you to reach out via email, phone, social, product reviews, and to post questions using the Q & A 'Ask A Question' function on all product pages. Additional information can also be found on product page Technical Data Sheets (including detailed usage instructions and application data).   Thank You Jamestown Distributors 
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RickW

Wood Screw vs Self Tappers

3 posts in this topic

Self tappers are fine for attaching hardware where the head secures the item to the material it's attached to.  Wood screws are designed to go through one piece of wood and secure it to another.  The shank is smooth without threads so it will go through the outside wood and allows the root diameter (threaded portion) to screw into the base bringing the top wood in tight without binding before drawing tight.  If you try to do that with a self tapper, chances are there will be a slight gap between the two because the threads are tight in both pieces of wood not allowing it to draw in tight.

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I find that self tappers work fine for wood to wood if you drill a proper clearance hole through the first piece and a pilot hole into the second.

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