Damaged Screw Extractor - screw remover is made of High-Speed Steel, higher hardness and durability, making it easier to remove damaged screws. Widely Used - Basically meet all your needs for various screws extracting. Such as hex bolts, bolts, hex bolts, machine screws, wood screws, metal screws and other screws. A screw extractor set solves of your home's problems with screw repairs, including wall panels, wood and metal bolts. Important: CAN NOT used the hammer drill mode Please electric hand drill and must be low speed during How to the Screw Extractor? Drilling the Screw. Select a drill bit slightly smaller than the screw. Hold the drill bits up to the screw or fastener you need to remove. The right one will be slightly less wide than the screw head. When you find the right one, attach it to your drill. Line the drill bit up with the center of the screw. Place the drill bit in the divot you created earlier. Move slowly as you begin to drill. Too much force will damage the screw. Focus on holding the drill bit steady so it drills straight into the screw head. Drill a hole for the extractor. You will need to drill somewhere between 18 inch (3.2 mm) and 14 inch (6.4 mm) into the screw head. The depth depends on the screw extractor you have. the extractor to compare it to the hole you drilled. If the extractor doesn't fit, keep drilling to widen the hole. Color: Silver Material: high speed steel Pulling out the Screw Insert the extractor into the drilled hole. The end of the extractor goes into the hole. You can tap it with a hammer to make it's in there, but ' it. The loose end should have a tap handle, which looks like a T, for you to hold onto. Twist the extractor counterclockwise until you can't turn it anymore. Twist the extractor with a wrench ordrill. Grip the top of the extractor with a wrench. Continue to twist it counterclockwise until the screw pops free. Many extractors are designed to work with drills. Attach the free end of the extractor to the drill and turn on the drill to turn the screw counterclockwise. It'll come out without much resistance. Package Contents: 10*drill 10*extractor 10*screwdriver bit 1*extension bit holder 2*socket adapter Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.