How To Get Out A Broken Screw

How to Get Out a Broken Screw: A Comprehensive Guide

Removing a broken screw can be frustrating, but with the right tools and techniques, you can often salvage the situation without causing further damage. This guide covers various methods for removing broken screws, from simple solutions to more advanced techniques. This article will help you successfully extract stripped screws from wood, metal, and plastic. We’ll cover everything from prevention to removal, ensuring your next project goes smoothly.

Understanding the Problem: Why Screws Break

Before diving into removal methods, it's crucial to understand why screws break. Common causes include:

• Over-tightening: Applying excessive force during installation is a major culprit.
• Stripped screw heads: Using the wrong screwdriver size or applying too much pressure can damage the screw head, making removal difficult.
• Corrosion: Rust or other corrosion weakens the screw, making it more prone to breakage.
• Low-quality screws: Cheap, brittle screws are more likely to break than high-quality ones.
• Wood splitting: If the wood is too soft or the screw is too large, the wood can split, making removal difficult and potentially damaging the surrounding material.

Methods for Removing Broken Screws

The best method for removing a broken screw depends on several factors, including the type of screw, the material it's embedded in, and the extent of the damage. Here are some common approaches:

1. Using a Screw Extractor Set

Screw extractors are specialized tools designed for removing broken screws. They work by gripping the broken screw and twisting it out. This is often the most effective method, especially for deeply embedded or heavily damaged screws.

• How it works: Drill a pilot hole slightly smaller than the extractor's point into the center of the broken screw. Then, carefully insert the extractor, aligning it with the screw's threads. Reverse the drill to remove the broken screw.
• Important Note: Use caution and avoid excessive force to prevent further damage to the material.

2. Utilizing Rubber Bands or Vice Grips

For screws with slightly damaged heads, a simple trick can sometimes work.

• Rubber Band Method: Place a rubber band over the screw head. This increases friction, providing better grip for your screwdriver.
• Vice Grip Method: If the screw head is still partially intact, vice grips can offer a strong grip to unscrew it. Be careful not to crush the surrounding material.

3. Employing a Dremel or Rotary Tool

For severely damaged screws, a Dremel or rotary tool can be invaluable.

• How it works: Carefully use a small grinding bit to create a new, usable slot in the screw head. This allows you to use a flat-head screwdriver to remove the screw. Be extremely careful to avoid damaging the surrounding material.

4. Applying Heat

Heat can sometimes help loosen a stubborn screw.

• How it works: Carefully apply heat to the screw head using a soldering iron or heat gun. The heat can expand the metal, making it easier to remove. Caution: Be mindful of the surrounding material and avoid excessive heat, which can damage it.

5. Drilling Out the Screw

This is a last resort, as it often requires replacing the damaged part.

• How it works: Drill a hole slightly larger than the screw's diameter. This will remove the screw, but you'll need to fill and repair the hole afterward.

Preventing Broken Screws in the Future

Prevention is always better than cure. Here are some tips to avoid broken screws in future projects:

• Use the correct screwdriver: Choose a screwdriver that perfectly matches the screw head type and size.
• Don't over-tighten: Apply firm, even pressure, but avoid excessive force.
• Lubricate the screws: Use a lubricant like WD-40 to reduce friction and make installation easier.
• Use high-quality screws: Invest in quality screws that are less likely to break.
• Pre-drill pilot holes: Pre-drilling pilot holes, especially in hard materials, prevents wood splitting and reduces the chance of stripping the screw head.

By following these tips and employing the appropriate techniques, you'll be well-equipped to handle broken screws effectively and efficiently, minimizing frustration and maximizing your project's success. Remember patience and precision are key!