Assuming you would like a list of the tools needed for various aspects of working with nuts and bolts: ● For removing a bolt, you will need a wrench or socket set. ● You will again need a wrench or socket set to tighten a bolt. ● To measure a bolt's size, you will need a ruler or tape measure. ● For Drill bits: If you need to drill a new hole for the bolt, you will need a drill bit that is the same size as the bolt. ● For a Tap: If you need to thread the hole for the nut, you will need a tap that is the same size as the nut. ● For a Die: If you need to thread the bolt itself, you will need a die that is the same size as the bolt.