NZNB Screw Extractor 1PCS Adjustable 9-12/12-16/16-22/22-27mm Nut Splitter Crackers Screw Remover Extractor Rusty Nut Separator Tool Strong and wear-Resistant (Overall Length : 002)
- High-speed steel adopt heat treatment technology,the hardness reaches 65 hrc.
- increase the hardness of each drill bit,become sharper,anti-rust and anti-corrosion.
- Adjust the drill to the reverse/counterclockwise direction and use a slower drill speed.
- drill/polishing head to start the extraction,and then drill down to make a clean hole.
- bit and the tooth extraction tip alternately,and use a consistent downward pressure and a slow speed to bite the tooth extraction tip into the damaged screw or bolt.