A screw extractor is a tool for removing broken, damaged or seized screws. They can be driven manually using adjustable spanners or vice grip pliers or by using a hand-held power tool. You can learn more in our complete guide to screw extractors.Why use a Screw Extractor? Screws can break, rust or become stripped and need to be replaced. This brings any work or project to a halt. The easiest way to remove the screws before replacing with a new one, is to use a specialist tool such as a screw extractor. The screw extractors are similar to a screw but have a reverse thread.How to remove a screw using a screw extractorAlways select a drill bit that is slightly smaller than the screw you want to remove.Attach to the drillLine the drill bit up with the centre of the screwWork slowly to drill a hole for the extractorPlace the spiral end of the extractor into the hole you have drilled.Twist the extractor anti clockwise until you cannot turn it anymoreTwist the extractor with a wrench or drill. Grip the top of the screw extractor with a wrench. Twist it anti clockwise until the screw comes free.If using a drill, attach the free end of the extractor to the drill, set to rotate in reverse and turn it on to turn the screw anti clockwiseRemove the screw using pliers