Screw Extractor Set
Description
A Screw Extractor Set is a collection of tools used for removing broken, damaged, or stripped screws and bolts from a workpiece. These extractors are specially designed to grip and pull out fasteners that cannot be removed using standard tools.
Uses
- Removing broken screws and bolts
- Extracting stripped or damaged fasteners
- Used in maintenance and repair work
- Helpful in automotive and mechanical applications
- Preventing damage to surrounding material
Parts
- Extractor Bits (Various Sizes)
- Spiral Flutes or Reverse Threads
- Shank
- Storage Case
Material
- Extractor: High-speed steel (HSS) or alloy steel
- Case: Plastic or metal
Working Principle
The Screw Extractor works on the principle of reverse threading. A hole is first drilled into the broken screw, and then the extractor is inserted and turned counterclockwise. As it rotates, the extractor grips the screw tightly and removes it from the material.
Advantages
- Effective removal of damaged fasteners
- Easy to use with standard tools
- Reduces damage to workpiece
- Available in multiple sizes
- Cost-effective solution for repairs
Safety Precautions
- Use correct size extractor for the screw
- Drill hole carefully and accurately
- Wear safety goggles
- Avoid excessive force to prevent breakage
- Keep tools in good condition
Conclusion
The Screw Extractor Set is an essential tool for removing damaged or broken screws efficiently. Its practical design and effectiveness make it highly valuable in repair, maintenance, and mechanical work.