What is the difference between a sheet metal screw and a wood screw?

The main difference is a sheet metal screw has threads along its entire length. A wood screw has threads along about two-thirds of its length and costs a little less.

Check your state and local codes before starting any project. Follow all safety precautions. Information in this document has been furnished by the North American Retail Hardware Association (NRHA) and associated contributors. Every effort has been made to ensure accuracy and safety. Neither NRHA, any contributor nor the retailer can be held responsible for damages or injuries resulting from the use of the information in this document.