Nail,Screw, and Bolt Posted on August 19, 2016August 19, 2010 by admin A woodshop teacher asks the only girl in the class what the difference is between a nail, a screw, and a bolt on the first day of school and she says “Well Spread the love Related posts: Ways to confuse a roommate Ways to confuse a roommate The Shoplifter… You might be a college student if . . .