How to Use a Fastener Remover

Learning how to use a fastener remover is the fastest way to extract stripped or damaged screws and bolts. This tool is a lifesaver for DIYers and professionals facing stubborn hardware.

It solves the frustrating problem of rounded heads and broken fasteners without damaging your workpiece. You can save time, money, and your project with the right technique.

Best Fastener Remover Tools for Stripped Screws – Detailed Comparison

IRWIN Tools Bolt-Grip Damaged Screw Extractor Set – Best Overall Choice

This 5-piece IRWIN set (394002) offers a complete solution for most stripped fastener problems. Its left-handed spiral flute design bites into damaged heads as you turn counter-clockwise. The hardened steel construction provides durability. It’s the ideal starter kit for general household and automotive repair tasks.

Gifts for Men Damaged Screw Extractor – Best for Precision Work

The Gifts for Men is a two-step tool designed for delicate applications. Its unique pilot drill creates a perfect guide hole before the extractor engages. This prevents damage to surrounding materials, making it perfect for electronics, appliances, and furniture where precision is critical.

Alden 8440P GRABIT Pro Screw Extractor Kit – Best for Professional Use

The GRABIT Pro features a dual-ended design with a patented “bite and turn” mechanism. One end removes Phillips and flat-head screws, while the other handles hex and Torx. Its aggressive reverse threads provide maximum grip, making it the recommended option for contractors and mechanics facing severely seized fasteners.

How to Use a Screw Extractor: A Step-by-Step Guide

Using a damaged screw remover correctly is crucial for success. This process requires the right tools and a methodical approach. Following these steps will help you remove the fastener without causing further damage.

Essential Tools and Safety Precautions

Gather your tools before starting. You will need your extractor set, a power drill, safety glasses, and a hammer. Personal protective equipment is non-negotiable for this task.

• Safety Glasses: Shield your eyes from metal shards and debris.
• Drill & Bits: Use a corded drill for consistent power and a left-handed drill bit if possible.
• Work Area: Secure your workpiece in a vise or clamp it down firmly.

The 5-Step Fastener Removal Process

This proven method works for most stripped screw and bolt scenarios. Patience and steady pressure are more effective than brute force.

1. Center Punch & Drill: Use a center punch to make a small indentation in the fastener’s center. Drill a pilot hole using a bit slightly smaller than the extractor’s tip.
2. Insert the Extractor: Tap the spiral end of the extractor tool firmly into the pilot hole you created. Ensure it is seated deeply and securely.
3. Turn Counter-Clockwise: Attach a tap wrench or locking pliers to the extractor. Apply steady, firm pressure and turn it slowly counter-clockwise (lefty-loosey) to back out the damaged screw.

Key Takeaway: The core principle is to create a new, secure grip point inside the damaged fastener. Always turn the extractor counter-clockwise to loosen and remove the screw.

Pro Tips for Stubborn or Seized Fasteners

Some fasteners are corroded or overtightened. A few expert techniques can improve your chances of removal significantly.

• Apply Penetrating Oil: For rusty bolts, let a lubricant like WD-40 soak in for 15-30 minutes to break down corrosion.
• Use Heat Carefully: Applying heat with a propane torch can expand the metal and break the seizure. Avoid this near flammable materials.
• Try a Left-Handed Drill Bit: Sometimes, the drilling action alone will catch and spin the screw out before you even need the extractor.

Choosing the Right Fastener Extractor for Your Job

Not all screw extractor tools are created equal. Selecting the correct type is critical for efficient removal. Your choice depends on the fastener’s size, material, and damage level.

Types of Screw Extractors and Their Uses

There are three main designs, each with specific advantages. Understanding these differences will help you pick the best tool.

• Spiral Flute Extractors: These have a tapered, left-hand spiral. They are ideal for most standard screws and are commonly found in multi-piece sets.
• Straight Flute Extractors: Featuring straight sides and sharp edges, they provide excellent bite for very soft or heavily damaged fasteners.
• Multi-Spline Extractors: These have numerous gripping edges and are often used for larger, seized bolts in automotive or industrial settings.

Material and Size Considerations

The extractor’s construction and sizing are just as important as its design. Using a weak or incorrectly sized tool will lead to breakage.

Fastener Size	Recommended Extractor Size	Best For
Small (#4 – #8 screws)	1/8″ or 3mm	Electronics, eyeglasses, small appliances
Medium (#10 – 1/4″)	3/16″ to 1/4″	Furniture, door hardware, general DIY
Large (5/16″ and up)	5/16″ or 8mm+	Automotive bolts, machinery, structural fasteners

Always choose an extractor made from hardened, high-speed steel (HSS). This material resists snapping under torque. For the toughest jobs, look for cobalt steel extractors.

Pro Selection Tip: Match the extractor’s diameter to the screw’s body, not its damaged head. The pilot hole you drill should be about 50-75% of the extractor’s tip diameter for optimal grip.

When to Use an Easy Out vs. Other Methods

“Easy Out” is a common brand name for spiral extractors. They are your first line of defense for most jobs. Consider alternative methods in specific scenarios.

• Use an Easy Out: For standard stripped Phillips, flathead, or Allen screws where you can drill a centered pilot hole.
• Try a Screw Extractor Plier: If any part of the screw head is still protruding above the surface for the jaws to grip.
• Consider Drilling Out: As a last resort for small, non-critical fasteners where you can completely destroy the screw and re-tap the hole.

Common Mistakes and Advanced Troubleshooting Tips

Even with the right tools, mistakes can complicate fastener removal. Avoiding these common errors saves time and prevents damage. This section covers critical pitfalls and solutions for difficult scenarios.

Top 3 Mistakes When Using a Damaged Screw Remover

These errors often cause broken extractors or damaged workpieces. Awareness is the first step to prevention.

• Using Excessive Force: Extractor tools are brittle. Applying too much torque, especially with a cheater bar, will snap the tool inside the fastener, creating a much bigger problem.
• Drilling an Off-Center Pilot Hole: If your starting hole is not centered, the extractor will not engage evenly. This drastically reduces grip and can cause the bit to walk and damage the surrounding material.
• Using the Wrong Size Extractor: An extractor that is too small won’t grip properly; one that is too large can expand and lock the fastener in place or break.

Critical Safety Warning: Never use an extractor with an impact driver or wrench. The hammering action can shatter the hardened steel. Always use steady, manual pressure with a tap wrench or locking pliers.

What to Do If Your Extractor Breaks

A broken extractor is a serious issue, as the tool steel is harder than the fastener. Don’t panic; follow these steps methodically.

1. Stop Immediately: Do not try to drill through the broken piece. You will only ruin your drill bits on the ultra-hard steel.
2. Apply Penetrating Oil & Heat: Soak the area and use a small torch to heat the outer workpiece, not the broken extractor. The goal is to expand the surrounding metal to loosen its grip.
3. Use a Carbide Burr or EDM: As a last resort, a carbide burr in a Dremel can grind away the broken piece. In industrial settings, Electrical Discharge Machining (EDM) can dissolve it without damaging the threads.

Dealing with Stripped Screws in Delicate Materials

Removing fasteners from wood, plastic, or thin metal requires extra finesse. The priority is preserving the base material.

• For Wood: Place a wide, flat washer around the screw head before using the extractor. This distributes pressure and prevents the tool from digging into and splintering the wood grain.
• For Plastic or Composite: Use a hand drill for the pilot hole to prevent melting or cracking from high-speed friction. Consider using a screw extractor plier first to avoid drilling altogether.
• For Thin Sheet Metal: Apply firm downward pressure while turning to prevent the metal from buckling. Clamp a backup block behind the sheet for added support.

Maintenance, Care, and Alternative Removal Methods

Proper care extends your extractor’s lifespan. Knowing alternative techniques prepares you for any situation. This final operational section ensures long-term success and versatility.

How to Clean and Store Your Extractor Set

Metal shavings and debris are the main enemies of your tools. A simple maintenance routine prevents corrosion and ensures sharp edges.

• Immediate Cleaning: After each use, wipe the extractor with a dry cloth to remove metal particles. Use a stiff brush to clean the spiral flutes thoroughly.
• Prevent Rust: Apply a light coat of machine oil or a rust-inhibiting spray like WD-40 Specialist Corrosion Inhibitor before storing. This is crucial for carbon steel tools.
• Proper Storage: Keep the set in its original case or a dedicated organizer. This prevents the hardened steel tips from knocking against other tools and becoming chipped or dull.

When to Use Alternative Stripped Screw Removal Techniques

An extractor isn’t always the only or best solution. Assess the situation and choose the most appropriate method.

Method	Best Use Case	Key Tool Needed
Rubber Band Trick	Slightly stripped heads with some grip left	Thick rubber band & correct driver bit
Hammer & Chisel/Screwdriver	Large, flathead-style screws with an accessible edge	Flathead punch or chisel, hammer
Cutting a New Slot	Soft metal screws or large, exposed heads	Rotary tool with cutting disc or hacksaw
Locking Pliers/Vise-Grips	Any screw with a protruding shank or head	High-quality locking pliers

Quick Decision Guide: Try a simple alternative first if the screw isn’t fully seized. If the head is completely rounded or recessed, proceed directly to the screw extractor tool method for the highest chance of success.

Preventing Stripped Screws in the Future

The best repair is the one you avoid. Adopting good practices minimizes future fastener headaches.

• Use the Correct Driver Bit: Always match the bit type and size exactly. A worn or ill-fitting bit is the primary cause of stripped heads. Inspect and replace bits regularly.
• Apply Steady, Straight Pressure: Keep the driver perfectly aligned with the screw axis. Angled pressure cams out the bit and ruins the drive recess.
• Know When to Stop: Fasteners have a specific torque. Driving past “snug” increases the risk of stripping, especially in soft materials like wood or aluminum.

Expert Tips for Specific Materials and Scenarios

Different materials present unique challenges for fastener removal. Applying tailored techniques maximizes success and minimizes collateral damage. These expert strategies address common, tricky situations.

Removing Stripped Screws from Aluminum or Soft Metals

Aluminum and brass are soft and prone to galling. Aggressive techniques can ruin the threads in the base material.

• Use Minimal Heat: Aluminum conducts heat rapidly. Apply heat briefly and locally to avoid warping the entire workpiece.
• Prevent Cross-Threading: When installing the replacement fastener, start it by hand to ensure perfect alignment and avoid creating new damaged threads.
• Consider a Helicoil: If the internal threads are damaged during removal, be prepared to install a thread repair insert for a permanent, strong fix.

Dealing with Rusted or Corroded Fasteners

Rust chemically bonds a fastener to its threads. Breaking this bond is the first and most critical step.

1. Soak with Penetrating Oil: Apply a high-quality rust penetrant like PB Blaster or Kroil. Let it soak for several hours or overnight for severe cases. Reapply multiple times.
2. Apply Controlled Heat: Use a propane torch to heat the nut or surrounding material, not the bolt itself. The goal is to expand the outer metal to break the rust weld.
3. Tap with a Hammer: Before turning, give the fastener head a few sharp taps with a hammer. This vibration can help fracture the rust and allow the penetrant to work deeper.

Material-Specific Advice: For stainless steel fasteners that are “galled” or cold-welded, the problem is different from rust. The metals have fused. A sharp, new extractor and significant patience are required, as drilling can work-harden the steel.

Extracting Fasteners from Composite or Fiberglass

These materials are brittle and laminate. The key is to avoid delamination or cracking from excessive pressure.

• Reduce Drill Speed: Use a slow drill speed when creating the pilot hole. High speed generates heat that can melt the resin and weaken the composite.
• Backing Support is Critical: Always clamp a solid wood block behind the fiberglass panel. This prevents flexing and blow-out when the screw finally releases.
• Hand Tools Preferred: Use a hand-powered tap wrench instead of power tools for the final extraction turn. This gives you precise feel to stop immediately if binding occurs.

Essential Accessories and Building Your Removal Kit

A fastener remover is most effective when supported by the right accessories. A well-prepared kit turns a frustrating job into a routine task. Investing in these supporting tools pays dividends on every project.

Must-Have Supporting Tools for Your Workspace

These items complement your extractor set and tackle the full range of removal scenarios. They address setup, precision, and force application.

• Center Punch & Hammer: Creates a perfect dimple to prevent drill bit wandering. This is the single most important step for ensuring a centered pilot hole.
• Left-Handed Drill Bits: These bits rotate counter-clockwise. Often, the drilling action alone will catch and spin out the damaged screw before you need the extractor.
• Tap Wrench or Locking Pliers: Provides the controlled, manual torque needed to turn the extractor. Never use power tools on the extractor itself.
• High-Quality Penetrating Oil: A dedicated rust penetrant (e.g., PB Blaster, Kroil, Liquid Wrench) is far more effective than general-purpose lubricants for seized fasteners.

Building a Tiered Fastener Removal Kit

Assemble tools based on the complexity of jobs you handle. This tiered approach ensures you’re prepared for anything.

Kit Tier	Ideal For	Core Components
Basic DIY	Occasional home repairs	One multi-size extractor set, center punch, manual screwdriver, locking pliers
Advanced Homeowner	Automotive, furniture restoration	Two extractor sets (small & medium), left-hand drill bit set, tap wrench, penetrant, safety glasses
Professional/Contractor	Daily use, diverse materials	Full extractor sets, carbide bits, induction heater, bolt extractor sockets, EZ-Out broken bolt kit

Smart Investment: Prioritize a high-quality left-handed drill bit set and a good center punch before buying multiple extractor sets. Perfecting the pilot hole solves 80% of the problem.

Safety Gear You Shouldn’t Skip

Removing fasteners generates high forces and sharp debris. Protecting yourself is non-negotiable for a successful outcome.

• ANSI-Rated Safety Glasses: Must be worn at all times. Metal shards from drilling or a broken extractor can cause serious eye injury.
• Work Gloves: Protect your hands from sharp edges, heat, and pinching from locking pliers. Choose gloves that allow for dexterity.
• Hearing Protection: Drilling, especially into hard metal, can be loud. Use earplugs or earmuffs during prolonged work.
• Secure Clamping: A vise or C-clamps are safety tools. They prevent the workpiece from spinning suddenly and causing injury or damage.

Conclusion: Mastering Fastener Removal for Good

Learning how to use a fastener remover effectively saves time, money, and frustration. This guide has provided the expert techniques and tool knowledge you need. You can now tackle stripped screws and seized bolts with confidence.

The key takeaway is methodical preparation and the right tool for the job. Always start with a centered pilot hole and use steady, controlled force. Build your essential removal kit with the recommended tools.

Put this knowledge into practice on your next project. Bookmark this guide for quick reference whenever you encounter a stubborn fastener.

With these skills, a damaged screw is no longer a project-ender, but a simple problem you are fully equipped to solve.

Frequently Asked Questions about Fastener Removers

What is the best way to remove a stripped screw that is flush with the surface?

The best method is to use a center punch and a screw extractor. First, create a precise dimple in the screw’s center with the punch. Then, drill a small pilot hole straight into the screw using a bit slightly smaller than your extractor.

Finally, tap the extractor into the hole and turn it counter-clockwise with a tap wrench. This method provides maximum grip without damaging the surrounding material, which is critical when the screw head offers no purchase.

How do you use a screw extractor on a small, delicate screw?

For small screws, use a precision extractor set designed for electronics or eyeglasses. Secure the workpiece firmly to prevent movement. Drill the pilot hole at a very low speed using a hand pin vise or a variable-speed drill on its slowest setting to maintain control.

Apply minimal pressure when turning the extractor. Consider using a rubber band over the damaged head first, as it can provide enough grip for small, delicate fasteners without needing to drill.

Can you use a screw extractor on a bolt that has been welded or rounded off?

Yes, a screw extractor is specifically designed for rounded-off bolts. The process is the same as for a stripped screw. For a welded bolt, you must first grind or cut off the weld bead to expose the original bolt head or shank before attempting extraction.

Severely rounded bolts may require using a bolt extractor socket, which hammers onto the damaged head. For both scenarios, applying penetrating oil and heat to the surrounding nut or thread area first will significantly improve your chances of success.

What should you do if a screw extractor gets stuck or breaks inside the fastener?

If stuck, stop turning immediately. Apply penetrating oil and tap the extractor gently with a hammer to loosen it. Try turning it clockwise slightly to disengage, then resume counter-clockwise. If it breaks, do not attempt to drill it out, as the tool steel is harder than your drill bits.

Your options are limited. You can try using a carbide burr in a Dremel to grind away the broken piece, or use an Electrical Discharge Machining (EDM) service. Often, the best course is to drill out the entire original fastener around the broken extractor and re-tap the hole.

Is it better to use a spiral flute extractor or a straight flute extractor?

Spiral flute extractors are best for most general-purpose applications. Their tapered design provides a wedging action that increases grip as you turn. They are ideal for standard screws and bolts in common metals like steel and brass.

Straight flute extractors are better for very soft materials (like aluminum) or severely damaged fasteners where a spiral might not bite effectively. They rely on sharp, straight edges to cut into the material. For a versatile toolkit, a set containing both types is recommended.

How do you prevent stripping screws when installing new hardware?

Always use the correct driver bit that fits the fastener head perfectly. Inspect bits regularly and replace worn ones. Apply firm, straight-down pressure to keep the driver fully seated in the screw head. Use a lower torque setting on power tools, especially for softer materials.

For critical applications, hand-tighten the final turns. Using a bit of thread-locking compound on the screw threads can also help by reducing vibration that leads to loosening and subsequent stripping during future removal attempts.

What is the difference between a tap and a screw extractor?

A tap is used to cut new internal threads into a hole. It is a threading tool. A screw extractor is used to remove a damaged fastener that is already stuck in a threaded hole. They serve completely opposite purposes in the repair process.

You would use an extractor to remove the broken screw. Then, you might use a tap to clean up or repair the damaged internal threads in the hole before installing a new fastener or a thread insert.

Can you use an impact driver with a screw extractor bit?

No, you should never use an impact driver or wrench with a screw extractor. Extractor tools are made from very hard, brittle steel. The hammering action of an impact tool can easily shatter the extractor inside the fastener, creating a much more severe problem.

Always use manual tools like a tap wrench, a standard socket wrench, or locking pliers to turn an extractor. This allows you to apply steady, controlled torque and feel for when the fastener begins to move.

Can a Screw Extractor Remove a Broken Bolt?

Yes, a screw extractor is specifically designed for this common task. The process is identical to removing a stripped screw.

• Key Requirement: You must be able to drill a centered pilot hole into the broken bolt’s face. This is often easier than with a stripped head.
• Pro Tip: For broken bolts flush with a surface, use a center punch to create a precise starting point for your drill bit and prevent it from wandering.
• Consideration: Severely seized or corroded bolts may require penetrating oil and heat before the extractor will work effectively.

What’s the Difference Between an Easy Out and a Screw Extractor?

These terms are often used interchangeably, but there is a technical distinction most users should understand.

Simple Answer: “Easy Out” is a popular brand name for a specific type of spiral flute extractor. All Easy Outs are screw extractors, but not all screw extractors are Easy Outs. Other brands include Grabit, Speedout, and Irwin.

The core function is identical: to grip and reverse out a damaged fastener. Focus on the tool’s design (spiral, straight, spline) rather than the brand name when selecting one.

How Do You Remove a Stripped Screw Without an Extractor?

Several effective methods can work if you don’t have a dedicated extractor tool on hand. Success depends on the screw’s condition.

1. The Rubber Band Method: Place a thick rubber band over the stripped drive recess. Press your driver bit firmly into the band and turn slowly. The rubber fills the gaps and provides grip.
2. Cut a New Slot: Use a rotary tool with a cutting disc or a small hacksaw to cut a new slot in the screw head. Then use a flathead screwdriver to remove it.
3. Use Locking Pliers: If any part of the screw shank or head is exposed, clamp onto it firmly with Vise-Grips. Turn the pliers to back the screw out.

Can You Reuse a Screw Extractor Tool?

High-quality extractors can be reused many times if they are not damaged. Their lifespan depends entirely on proper use and care.

• Inspect Before Each Use: Check the spiral flutes for chips, cracks, or dull edges. A damaged extractor will not grip properly and is more likely to break.
• Signs of Wear: If the tool starts to spin in the pilot hole without biting, the cutting edges are likely worn. It’s time to replace it.
• Limitation: Extractor tools are made from very hard, brittle steel. They cannot be sharpened effectively by most users. Replacement is the standard practice.