How to drill a bolt in a laptop: step-by-step instructions with photos and expert advice

A broken bolt in a laptop case or motherboard is one of the most unpleasant breakdowns that users encounter when doing their own repairs. Most often the problem occurs when disassembling devices. Asus ROG, MSI or Acer Predator, where manufacturers use soft metals for fasteners or tighten screws at the factory. Drilling out a bolt requires precision: one wrong move and you risk damaging the board traces, the case, or even the screen.

In this article we will look at three proven methods removal of a broken bolt (by drilling, extractor and chemical method), we will dwell in detail on the choice of drills and drill operating modes, and also tell you how to avoid common mistakes. We will pay special attention laptops with aluminum casing (For example, MacBook Pro or Huawei MateBook), where the risk of damage is higher due to the softness of the material. If you've never held a drill in your hands, don't worry: we'll give step-by-step instructions even for beginners.

Why a bolt breaks in a laptop: main reasons

Before you take on the drill, it is important to understand why the fastener failed. Guilty in 60% of cases wrong tool: Using a screwdriver of the wrong size or with a worn tip will cause the slot to break off. Another common reason is screw tightening during assembly. Manufacturers (especially Lenovo And HP) fasteners are often tightened with a force exceeding the norm, which leads to thread deformation.

Other factors:

• 🔧 Metal oxidation - bolts in old laptops (for example, Sony Vaio or Toshiba Satellite) rust due to humidity, becoming brittle.
• 🔥 Overheating — if the laptop often overheated, thermal paste could flow under the fasteners, gluing it to the body.
• 🛠️ Poor quality metal - cheap Chinese bolts (found in Xiaomi or Chuwi) break even with minimal force.
• ⚡ Static electricity - rarely, but it happens that the discharge “welds” the fastener to the metal plate of the case.

If the bolt breaks when unscrewing, most likely it jammed due to thread deformation. In this case, drilling is the most reliable method, but requires care. If the fastener breaks off when tightening, the problem may be thread failure in the seat (often found in Dell XPS or Razer Blade), and here the hole will need to be restored.

Preparing for drilling: tools and safety precautions

Before you begin, gather everything you need. Minimum set:

• 🔨 Drill with speed control (ideally battery-powered with reverse function).
• 🔩 Drills for metal with a diameter of 1.5 to 3 mm (the exact size depends on the bolt).
• 🧲 Magnetic holder to remove debris.
• 🛡️ Safety glasses - metal shavings may fly into your eyes.
• 📏 Vernier caliper or a ruler to measure the diameter of the bolt.

For laptops with aluminum body (MacBook, Huawei MateBook X Pro) you will also need:

• 🧴 WD-40 lubricant or kerosene to soften oxides.
• 🔥 Soldering iron (power up to 40 W) - for heating the bolt before drilling.
• 🧊 Thermal paste - to protect plastic elements from overheating.

⚠️ Attention: Never drill bolts into a laptop that is plugged in or with a battery installed! Even if the device is turned off, residual charge on the motherboard capacitors can cause a short circuit if metal shavings enter it.

If the bolt is near power connector (for example, in Lenovo Yoga or HP Spectre), seal it electrical tape in 2–3 layers. This will prevent sawdust from getting inside the contacts. It is also recommended to work on antistatic mat or at least ground yourself (for example, by touching a heating radiator with your hand).

How to determine the diameter of a bolt and choose a drill

An error in choosing a drill is the main cause of drilling failures. If you use a drill that is too thick, you will damage the threads in the housing or board. Too thin and it won’t fit through the piece and the bolt will remain in place.

To accurately determine the diameter, use caliper or compare the bolt with the new fastener from the repair kit. If you don't have anything at hand, use ruler:

1. Place the bolt on the millimeter scale.
2. Measure the width of the head (usually it is 0.5–1 mm larger than the diameter of the shaft).
3. For standard laptops (Asus, Acer, MSI) the most common bolts with a diameter 2.0 mm, 2.5 mm or 3.0 mm.

Bolt diameter (mm)	Recommended drill (mm)	Application
1.5–1.8	1.2–1.4	Keyboard mounting (Lenovo ThinkPad)
2.0–2.2	1.6–1.8	Housing screws (Dell Latitude, HP EliteBook)
2.5–2.8	2.0–2.2	Mounting the motherboard (Asus ROG, MSI GS66)
3.0+	2.5	Reinforced bolts in gaming laptops (Acer Predator)

If the bolt tore off the thread when tightening, take a drill 0.1–0.2 mm thinner - this way you minimize the risk of damaging the seat. For aluminum housings (MacBook, Huawei) use titanium drills — they “smear” the metal less and do not become clogged with shavings.

Step-by-step instructions: how to drill a bolt with a drill

Now we move on to the most important stage. Follow the instructions strictly step by stepto avoid damaging your laptop:

1. Secure the body. Place the laptop on a flat surface with rubber mat or a towel. This will prevent slipping. If the bolt is on the bottom cover, turn the device over and secure it with clamps (but do not overtighten!).
2. Apply a mark. Using a punch or a sharp nail, make a small depression in the center of the fragment. This will help prevent the drill from slipping to the side.
3. Set up your drill. Install minimum speed (300–500 rpm) and turn on the mode reverse (if any). For laptops with plastic casing (Acer Swift, Lenovo IdeaPad) use hand drill — it gives better control.
4. Start drilling. Hold the drill strictly perpendicular surfaces. Press smoothly, without jerking. Stop as soon as the drill reaches 2/3 of the depth of the bolt.
5. Remove the fragment. If the bolt does not fall out on its own, use extractor (screw it counterclockwise) or tweezers with magnetic tip.

For bolts in aluminum housing (MacBook Air, Huawei MateBook) the technique is slightly different:

• 🔥 Preheat the bolt with a soldering iron (30-40 seconds) - this will make the metal softer.
• 🧊 Apply to drill thermal paste - it will prevent aluminum from sticking.
• 🔄 Drill in short bursts (1-2 seconds), allowing the metal to cool.

⚠️ Attention: If during drilling a pungent burning smell or smoke starts, stop working immediately! This means that the drill has touched plastic elements or traces of the board. In this case, further drilling may lead to irreversible damage to the motherboard.

What to do if the drill gets stuck?

If the drill bit is stuck in the bolt, do not try to pull it out by force - this may tear off the mounting plate. Instead:

1. Turn off the drill and let the metal cool for 5-10 minutes.

2. Apply WD-40 or kerosene to the drilling area.

3. Gently rock the drill from side to side while pulling towards you.

4. If that doesn't work, use a second drill of a smaller diameter to drill out the first.

Alternative methods: extractor, chemistry and “old-fashioned” methods

If you don't have a drill handy or you're afraid of damaging your laptop, try other methods. Their effectiveness depends on the situation:

1. Extractor (screw puller)

The extractor is reverse tapping bit, which screws into the fragment and pulls it out. Suitable for bolts that protrude at least 1–2 mm above the surface. Procedure:

1. Drill a hole in the center of the bolt with a diameter 0.5 mm smaller than the extractor.
2. Screw in the extractor counterclockwise (for left-hand threads - clockwise).
3. As soon as you feel resistance, continue turning - the bolt should come out.

For laptops with soft body (Lenovo Yoga, HP Envy) use the extractor with rubber gasket - it will prevent slipping.

2. Chemical method (bolt dissolution)

If the bolt is rusty or “stuck”, you can try to dissolve it. To do this:

• 🧪 Apply to the fragment acetic acid (70%) or hydrochloric acid (diluted 1:1 with water).
• ⏳ Wait 12–24 hours (to speed up, you can heat the case with a hairdryer to 50–60°C).
• 🔧 Try to unscrew the remains with tweezers.

⚠️ Don't use this method near plastic elements or a battery - acid can damage them!

3. “Old-fashioned” method: soldering iron + solder

Suitable for bolts that cannot be grasped with tweezers. Algorithm:

1. Melt the solder on the piece so that it wraps around the bolt.
2. While the solder is hot, press it metal plate (for example, a screwdriver).
3. Let it cool for 2-3 minutes - the bolt will “stick” to the plate.
4. Carefully remove the piece.

What to do after removing a bolt: thread restoration

If you successfully drilled the bolt, but damaged the thread in the seat, do not rush to reassemble the laptop. A broken thread will cause the new bolt to not hold, and the body will “walk.” Solutions:

1. Insert (threaded bushing)

The most reliable way is to install metal insert (For example, Helicoil or Time-Sert). To do this:

1. Drill the hole to the diameter recommended for the insert.
2. Apply the thread with a tap.
3. Screw the insert in with a special tool.

For laptops with thin body (MacBook Air, LG Gram) use aluminum inserts - they are lighter and do not add weight.

2. Epoxy resin (temporary solution)

If the insert cannot be installed (for example, in a plastic case Asus Vivobook), use two-component adhesive:

• 🧴 Mix epoxy resin with hardener.
• 🔩 Apply glue to the new bolt and screw it into the hole.
• ⏳ Let dry for 24 hours.

⚠️ This method not durable - during the next repair, the bolt will break again.

3. Replacing the mounting plate

In gaming laptops (MSI GT76, Asus ROG Strix) bolts are often attached to separate metal plates. If the thread is damaged, it is easier to replace the entire plate - they are sold in service centers or on AliExpress.

Common mistakes and how to avoid them

Even experienced craftsmen sometimes make mistakes when drilling bolts. Here are the most common:

Error	Consequences	How to avoid
Drilling at high speeds	Case overheating, plastic melting	Use a drill at 300–500 rpm
Incorrect drilling angle	Damage to adjacent mounting holes	Use a jig or guide bushing
No cooling	Dull drill, “smearing” of aluminum	Pause every 10 seconds and moisten the drill with oil.
Using a blunt drill	Drill failure, housing damage	Check the sharpness of the drill on unnecessary metal

Another common problem is chips getting inside the laptop. To avoid this:

• 🧲 Use magnetic holder for collecting sawdust.
• 🌬️ After work, blow out the drilling area compressor (or a can of compressed air).
• 🔍 Check the hole magnifying glass - if there are any chips left, remove them with tweezers.

If you are working with a laptop, where the bolt secures cooler or radiator (Asus TUF, Lenovo Legion), after drilling, be sure to check thermal paste. Chips could get on the processor or chipset, which will lead to overheating. In this case:

1. Remove the cooler.
2. Clean the surface of the processor alcohol wipes.
3. Apply new thermal paste (eg Arctic MX-6 or Noctua NT-H2).

FAQ: Frequently asked questions about drilling bolts in laptops

Is it possible to drill a bolt in a laptop without a drill?

Yes, but it will take longer. Alternatives:

• 🔨 Hand drill (For example, Dremel with nozzle).
• 🔩 Tap - if the bolt sticks out by 2-3 mm, you can try cutting a new thread and unscrewing the fragment.
• 🧲 Strong neodymium magnet - sometimes it helps to “pull out” small debris.

For laptops with plastic casing (Acer Aspire, Lenovo IdeaPad) will even fit hot screwdriver - it can melt the plastic around the bolt and remove it.

How to drill out a bolt if it is located next to the battery?

This is one of the most dangerous situations! The battery may ignite if exposed to chips. Algorithm of actions:

1. Disconnect the battery (if removable) or completely discharge laptop.
2. Tape the battery aluminum tape (it does not conduct current).
3. Use hand drill at minimum speed.
4. After work, check the battery with a multimeter - the voltage should be 0 V.

If the bolt is under the battery (as in MacBook Pro), it is better to contact the service - the risk of a short circuit is too high.

What should I do if the bolt does not fall out after drilling?

This means that the piece is stuck in the hole. Try:

• 🔥 Heat the area with a soldering iron (the aluminum will expand and the bolt may come out).
• 🧊 Cool the case freon spray (the metal will shrink).
• 🔩 Use back tap (left hand thread).

If all else fails, drill out the bolt. through and through and push the piece into the housing (then remove it through another hole).

Can I use a grinder instead of a drill?

Categorically no! Bulgarian:

• Creates too many chips.
• Overheats the metal (risk of melting the case).
• Does not provide accuracy - it is easy to damage neighboring elements.

The exception is if the bolt sticks out 5+ mm and you can carefully cut down its head without touching the body. But even in this case it is better to use needle file or mini drill.

How much does it cost to drill a bolt at a service center?

The cost depends on the laptop model and the complexity of the work:

• 💻 Regular laptops (Lenovo, HP, Acer) — 800–1500 rub.
• 🎮 Gaming (Asus ROG, MSI) — 1500–2500 rub.
• 🍎 MacBook — 3000–5000 rub. (due to the difficulty of disassembly).

If thread restoration is required (insert Helicoil), the price will increase by 500–1000 rub..