Stripped and broken screws can be frustrating, especially when working on delicate or important projects. These annoying obstacles can bring your progress to a halt and leave you wondering how to rectify the situation without causing further damage. Fret not, for we have compiled a comprehensive guide to help you navigate this common dilemma. With our expert advice and practical techniques, you’ll be equipped to remove broken screws with ease, empowering you to complete your projects with precision and efficiency.
When a screw breaks off, it can leave behind a protruding stub that makes it difficult to remove. Fortunately, several methods can assist you in extracting the broken screw without damaging the surrounding material. One effective technique involves using a pair of needle-nose pliers. Grip the exposed portion of the screw tightly and gently twist it back and forth until it loosens. Alternatively, you can utilize a screw extractor. This specialized tool features a reverse-threaded design that bites into the broken screw and allows you to remove it by turning it counterclockwise. For smaller screws, a pair of tweezers or a small screwdriver may provide sufficient leverage for extraction.
In cases where the broken screw is deeply embedded or tightly rusted, more advanced methods may be necessary. One option is to drill a small hole into the center of the broken screw and insert a screw extractor or Easy Out tool. These specialized tools are designed to grip the broken screw and allow you to remove it by turning it counterclockwise. However, it’s crucial to exercise caution when drilling to avoid damaging the surrounding material. If the broken screw is particularly stubborn, you can try applying heat using a soldering iron or heat gun. The heat will expand the metal and weaken its grip, making it easier to remove with pliers or a screw extractor.
Locating the Broken Screw
Identifying the broken screw’s precise location is crucial for effective removal. Here’s a step-by-step guide to help you pinpoint its whereabouts:
1. Visual Inspection
| Broken Screw Type | Inspection Method |
|---|---|
| Surface Screw (visible) | Use a magnifying glass or a bright flashlight to enhance visibility. Check for any protruding metal bits or a small hole where the screw should be. |
| Countersunk Screw (slightly recessed) | Shine a flashlight at an angle to create a shadow. Look for a dark circular or oval shape surrounding the sunken screw location. |
| Flush Screw (flush with surface) | Apply a small amount of pencil lead or chalk powder around the suspected area. The powder will fill in the screw hole, making it easier to spot. |
2. Fingertip Exploration
Gently run your fingertip over the suspected location. A broken screw will often have a raised or rough edge, allowing you to feel its position.
3. Magnet Test
Use a small magnet to check for metal fragments. Place the magnet near the suspected area and feel for any magnetic pull. This can pinpoint the exact location even if the broken screw is slightly buried.
4. Ruler or Caliper Measurement
If the screw broke off near the surface, you can use a ruler or caliper to measure the distance from the edge of the object to the suspected screw location. This can provide a more precise guide for drilling or using an extraction tool.
Using a Screw Extractor
A screw extractor, also known as an easy-out or screw remover, is a specialized tool specifically designed to remove broken screws or bolts. It is an effective method when the screw head is inaccessible or has been damaged, making it impossible to remove with traditional methods such as pliers or screwdrivers.
To use a screw extractor, follow these detailed steps:
1. Select the Right Extractor
Choose an extractor that has the same thread pitch and diameter as the broken screw. A proper fit is crucial for optimal performance and successful extraction.
2. Create a Pilot Hole and Drill
Using a drill bit slightly smaller than the extractor, drill a pilot hole into the center of the broken screw. The depth of the pilot hole should be approximately half the length of the screw extractor.
Next, insert the screw extractor into the pilot hole and use a wrench or pliers to turn it counterclockwise, which is typically the direction needed to remove the screw. Apply steady and firm pressure while turning to avoid snapping the extractor.
3. Lubrication
To reduce friction and ease the extraction process, apply a lubricant such as penetrating oil or WD-40 to the screw and the extractor. This will help break down any rust or corrosion that may have been present.
4. Reverse and Tap
Once the extractor has a firm grip on the broken screw, reverse the direction of rotation (clockwise) and tap the extractor with a hammer. This alternating motion will loosen the screw and allow it to be removed.
5. Remove the Screw
Continue turning the extractor counterclockwise until the broken screw is fully extracted. If the screw has stubborn resistance, you may need to increase the tapping force or re-apply lubricant.
Employing a Reverse Drill Bit
A reverse drill bit, also known as an extractor bit, is designed to remove broken screws, bolts, or studs. It operates opposite a standard drill bit, using a counterclockwise rotation.
To use a reverse drill bit, follow these steps:
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Select the appropriate size extractor bit for the broken screw. The diameter of the bit should be slightly smaller than the diameter of the screw’s head.
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Place the reverse drill bit over the broken screw and apply downward pressure.
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Start the drill and slowly rotate it counterclockwise. As the bit grips onto the broken screw, gradually increase the speed and apply more pressure.
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Continue drilling until the broken screw is completely removed.
It’s crucial to use the appropriate drill speed and apply controlled pressure to prevent further breakage of the screw or damage to surrounding materials.
Here’s a table summarizing the key steps for using a reverse drill bit:
Step Description 1 Select a suitable extractor bit slightly smaller than the screw’s head diameter. 2 Place the extractor bit over the broken screw and apply downward pressure. 3 Start the drill and gradually increase speed and pressure while rotating counterclockwise. 4 Drill until the broken screw is fully removed. Utilizing a Dremel Tool
If the screw is deeply recessed or in an awkward location, using a Dremel tool can be an effective solution. Here’s a detailed guide on how to remove a broken screw with a Dremel tool:
- Safety First: Always wear appropriate safety gear, including eye protection, gloves, and a dust mask.
- Select the Right Bit: Choose a Dremel bit that is slightly smaller in diameter than the broken screw. This will ensure you don’t damage the surrounding material.
- Grind a Slot: Carefully grind a small slot into the exposed end of the broken screw. Make sure it’s straight and deep enough to allow for a flathead screwdriver or extractor bit.
- Insert the Extractor: Insert a flathead screwdriver or screw extractor bit into the slot you created and apply counterclockwise pressure to loosen the screw.
- Alternative Method (for Deeply Recessed Screws): If the screw is deeply recessed, you can use a Dremel cut-off wheel to carefully cut a straight line across the exposed end of the screw. Then, insert an Allen key or hex bit into the cut and turn counterclockwise to loosen the screw.
Additional Tips for Success:
Use a Sharp Bit: A dull bit can make the process frustrating and ineffective. Apply Light Pressure: Excessive force can damage the screw or surrounding material. Lubricate the Bit: Apply a small amount of lubricant to the Dremel bit for smoother operation and less friction. Protect Surrounding Areas: Use painter’s tape or a small piece of cardboard to protect any delicate surfaces around the screw. Turning the Screw with a Pliers
If the screw head is too stripped to use a screwdriver, you can try to grip it with a pair of pliers. Choose a pair of pliers with a fine-tip nose that will fit into the screw head and provide a good grip. Apply firm but gentle pressure to the pliers, and turn the screw counterclockwise to remove it.
7. Using a Screw Extractor
Screw extractors are specifically designed to remove broken screws. They are typically made of hardened steel and have a tapered design with left-handed threads. To use a screw extractor, first create a small pilot hole in the center of the broken screw using a drill bit that is slightly smaller than the extractor. Then, insert the extractor into the pilot hole and turn it counterclockwise. The extractor will bite into the broken screw and gradually back it out of the hole.
Screw Extractor Sizes #0: For screws up to 1/8 inch in diameter #1: For screws 1/8 to 3/16 inch in diameter #2: For screws 3/16 to 1/4 inch in diameter #3: For screws 1/4 to 5/16 inch in diameter #4: For screws 5/16 to 3/8 inch in diameter Drilling Out the Screw
If you cannot remove the screw using any of the previous methods, you will need to drill it out. This is a more advanced technique, so it is important to follow the steps carefully.
Materials You Will Need
- Drill
- Drill bit
- Screw extractor
- Hammer
- Center punch
- Safety goggles
Step-by-Step Instructions
1. Put on safety goggles.
2. Mark the center of the screw head with a center punch.
3. Use a drill bit that is smaller than the diameter of the screw to drill a pilot hole into the screw head.
4. Switch to a drill bit that is the same size as the diameter of the screw.
5. Drill into the screw head until it is completely removed.
6. Use a screw extractor to remove the remaining screw from the wood.
7. Insert the screw extractor into the hole you drilled.
8. Turn the screw extractor counterclockwise to remove the screw.Tips
If you do not have a screw extractor, you can use a nail or a piece of wire to remove the screw.
- Insert the nail or wire into the hole you drilled.
2. Bend the nail or wire around the screw.
3. Pull the nail or wire to remove the screw.
Screw Size Drill Bit Size #6 5/64 inch #8 3/32 inch #10 1/8 inch Tapping a New Hole for the Screw
If the broken screw is too deep to remove with pliers or a screwdriver, you may need to tap a new hole for the screw. This is a more involved process, but it can be done with the right tools and a little patience.
Here are the steps on how to tap a new hole for the screw:
- Drill a pilot hole. Use a drill bit that is slightly smaller than the diameter of the new screw. Drill a pilot hole that is deep enough to accommodate the entire length of the new screw.
- Tap the hole. Use a tap that is the same size as the new screw. Tap the hole until it is deep enough to accommodate the entire length of the new screw.
- Insert the new screw. Apply a small amount of threadlocker to the new screw. Insert the new screw into the tapped hole and tighten it until it is snug.
Using a Tap and Die Set
A tap and die set is a collection of tools used to create and repair threads. Taps are used to cut internal threads, while dies are used to cut external threads. To tap a new hole for a screw, you will need a tap that is the same size as the new screw. You will also need a drill bit that is slightly smaller than the diameter of the tap.
To use a tap, follow these steps:
- Drill a pilot hole. Use a drill bit that is slightly smaller than the diameter of the tap. Drill a pilot hole that is deep enough to accommodate the entire length of the tap.
- Apply cutting fluid. Apply a few drops of cutting fluid to the tap. This will help to lubricate the tap and prevent it from seizing.
- Insert the tap into the pilot hole. Hold the tap perpendicular to the workpiece. Slowly turn the tap clockwise until it begins to cut threads.
- Continue turning the tap. Continue turning the tap clockwise until it has cut threads to the desired depth.
- Remove the tap. Once the tap has cut threads to the desired depth, remove it from the workpiece.
Using a Thread Repair Kit
A thread repair kit is a collection of tools used to repair damaged or stripped threads. Thread repair kits typically include a tap, a die, and a thread insert. To use a thread repair kit, follow these steps:
- Drill out the damaged threads. Use a drill bit that is slightly larger than the diameter of the damaged threads. Drill out the damaged threads to a depth of about twice the diameter of the new screw.
- Tap the hole. Use a tap that is the same size as the thread insert. Tap the hole until it is deep enough to accommodate the entire length of the thread insert.
- Insert the thread insert. Apply a small amount of threadlocker to the thread insert. Insert the thread insert into the tapped hole and tighten it until it is snug.
- Install the new screw. Install the new screw into the thread insert. Tighten the screw until it is snug.
Applying a Bolt Extractor
If the screw is still protruding slightly, you can use a bolt extractor to remove it. Bolt extractors are designed to grip onto broken bolts and screws and remove them. Here’s how to apply a bolt extractor:
1. Choose the Correct Bolt Extractor Size
Select a bolt extractor that is the same size or slightly smaller than the broken screw. The extractor should fit snugly into the hole left by the screw.
2. Drill a Pilot Hole
Using a drill bit slightly smaller than the diameter of the bolt extractor, drill a pilot hole into the center of the broken screw. The pilot hole should be deep enough to accommodate the length of the extractor.
3. Tap the Extractor into the Hole
Using a hammer or mallet, gently tap the bolt extractor into the pilot hole until it is seated firmly against the broken screw.
4. Turn the Extractor Counterclockwise
Using a wrench or socket, turn the bolt extractor counterclockwise to loosen the broken screw. Apply steady pressure and avoid overtightening the extractor.
5. Remove the Broken Screw
Once the broken screw has been loosened, remove the bolt extractor and the broken screw will come out with it.
How To Remove Screw That Broke Off
Screws are an essential part of many projects, but they can also be a pain to remove when they break off. If you’ve ever found yourself in this situation, don’t worry – there are a few tricks you can try to remove the broken screw.
One of the most common ways to remove a broken screw is to use a pair of pliers. Simply grip the broken screw with the pliers and twist it counterclockwise to loosen it. If the screw is too small to grip with pliers, you can try using a pair of needle-nose pliers.
Another way to remove a broken screw is to use a screw extractor. This is a tool that is specifically designed to remove broken screws. Screw extractors are available at most hardware stores.
To use a screw extractor, first drill a small hole in the center of the broken screw. Then, insert the screw extractor into the hole and turn it counterclockwise to loosen the screw.
If you’re unable to remove the broken screw using either of these methods, you may need to drill out the screw. This is a more difficult process, but it is usually the last resort for removing a broken screw.
To drill out a screw, first drill a hole that is slightly smaller than the screw. Then, use a larger drill bit to drill out the screw. Once the screw is drilled out, you can remove it with a pair of pliers.
People also ask
How do you remove a screw that broke off in wood?
If the screw broke off flush with the wood, you can try using a pair of pliers to grip the broken screw and twist it counterclockwise to loosen it. If the screw is too small to grip with pliers, you can try using a pair of needle-nose pliers.
If the screw broke off above the surface of the wood, you can try using a screw extractor. This is a tool that is specifically designed to remove broken screws. Screw extractors are available at most hardware stores.
How do you remove a screw that broke off in metal?
To remove a screw that broke off in metal, you can try using a pair of pliers to grip the broken screw and twist it counterclockwise to loosen it. If the screw is too small to grip with pliers, you can try using a pair of needle-nose pliers.
If the screw broke off flush with the metal, you can try using a drill to drill out the screw. First, drill a hole that is slightly smaller than the screw. Then, use a larger drill bit to drill out the screw. Once the screw is drilled out, you can remove it with a pair of pliers.
How do you remove a screw that broke off in plastic?
To remove a screw that broke off in plastic, you can try using a pair of pliers to grip the broken screw and twist it counterclockwise to loosen it. If the screw is too small to grip with pliers, you can try using a pair of needle-nose pliers.
If the screw broke off flush with the plastic, you can try using a heat gun to soften the plastic around the screw. Once the plastic is softened, you can use a pair of pliers to grip the screw and remove it.
