Generic 450-Piece Self Tapping Screw Kit, Silver

There are 5 common lengths from 20mm to 50mm in this set for general purpose use. These flat head screws are great to use in confined areas where the head needs to be flush or below the surface. Well packed and assorted in a resealable transparent box for convenient storage and carry. Screws have sharp threads that cut into a material such as soft metal sheet, plastic or wood. Used widely in the home and office appliance, wood furniture, repair and inventions.