How to Remove Security Screws

Identify the type of security screw before trying to remove it

Before reaching for a drill, look closely at the screw head. The right removal method depends on its shape and how much of the head you can reach.

A one-way screw usually has a slot that lets a flat screwdriver turn it in one direction, often clockwise for tightening. The slot is shaped so the screwdriver slips out when you try to turn the screw back. These are often called tamper-proof, anti-theft, or security screws.

Other security screws have unusual drive shapes, such as a pin in the middle or a star-shaped recess. Those need a matching security bit. Don’t treat every unusual screw as a one-way screw. A tool made for one type may damage another.

Also check whether the screw is:

• Exposed, with enough of the head showing to grip
• Recessed, sitting below the surface of the item
• Stripped, with a damaged slot or drive
• Partly broken, with only a small section of the head left

This gives you a sensible order of attack:

1. Try a dedicated remover.
2. Make a usable slot for a flat-head screwdriver.
3. Grip the head if you can reach it.
4. Drill only when the gentler options won’t work.
5. Try a left-hand drill bit on a stubborn screw.

Work slowly, especially around plastic, painted surfaces, furniture, children’s equipment, or anything with wires behind it. Put on eye protection before cutting or drilling. If the item belongs to someone else, or is designed to prevent access to a dangerous part, stop and check before removing the screw.

The easiest option: use a one-way or clutch head removal tool

A clutch head removal tool, also called a one-way screw remover, is usually the cleanest choice. It is made to fit the special shape of a one-way screw and turn it out without cutting or drilling the head.

This is the best first option when:

• The screw head is still in good condition.
• The screw is recessed or hard to grip.
• You want to avoid marking the surrounding material.
• You have several screws of the same type to remove.

Choose a remover that matches the screw size and head shape. A tool that is too small may slip. One that is too large may chew up the screw head.

How to use a one-way screw remover

1. Clean the screw head. Brush away dirt or paint so the tool can sit properly.
2. Press the remover firmly into the head. Keep it straight instead of holding it at an angle.
3. Turn slowly in the loosening direction. Use steady pressure rather than a sudden twist.
4. Stop if the tool slips. Check the size and alignment before trying again.
5. Back the screw out by hand once it is loose.

Some clutch head removal tools can also install one-way screws. If you use one for installation, set an adjustable drill clutch to a low setting. Use only enough torque to barely seat the screw. Too much force can strip or flatten the head before you have finished tightening it.

A specialist remover is often worth buying when the screw is recessed. Improvised methods work best when you can see and reach the head clearly.

How to remove a security screw with a flat-head screwdriver

If you don’t have a One way screw Remover, you may be able to change the screw head so a regular flat-head screwdriver can turn it.

The aim is to cut a straight slot across the top of the screw. The screwdriver can then sit in that slot and turn the screw out.

You might use a small metal file, a hacksaw blade, or a carefully controlled rotary cutting tool. Use whichever tool gives you the best control in the space available. The goal is a clean, shallow slot — not to cut deep into the screw or the surface beneath it.

Steps for making a screwdriver slot

1. Protect the surrounding surface. Cover nearby plastic, paint, or wood with masking tape or a thin piece of card.
2. Mark the direction of the slot. A straight line across the middle of the head is easier to use than a diagonal cut.
3. Cut slowly. Make a shallow groove first, then deepen it only if needed.
4. Choose a flat-head screwdriver that fills the slot. It should fit from side to side without wobbling.
5. Push down firmly while turning left. Keep the screwdriver straight over the screw.
6. Stop if the slot starts to widen. A deeper cut or better-fitting screwdriver may be needed.

This method is useful for a visible screw with a reasonably wide head. It is less useful when the screw is deep in a narrow hole. It can also leave marks around the screw, so don’t start here if the surface needs to stay perfect.

If you are asking how to remove tamper proof screws with flat head, this is usually the practical answer for a one-way screw: create a new straight slot, then treat it like a normal slotted screw.

How to grip the screw head when enough of it is exposed

If part of the screw head sticks above the surface, gripping it may be quicker than cutting or drilling. Locking pliers or another strong gripping tool can hold the edge of the head while you turn it.

This option works best when:

• You can reach two opposite sides of the head.
• The head is high enough for the jaws to grab.
• The screw is not sitting in a deep recess.
• The surrounding surface can handle a little pressure.

Open the jaws just enough to clamp the head firmly. Grip as low down as possible, close to the surface, rather than catching only the thin top edge. Then turn slowly in the loosening direction.

If the pliers slip, don’t keep squeezing harder. That can crush the head and leave you with a rounded piece of metal that is harder to remove. Reposition the jaws, improve your access, or move to a dedicated remover or drill.

You can sometimes lift a partly exposed screw by gripping the head and turning a little at a time. Avoid pulling at an angle. A sideways pull can damage the hole or the material around it.

How to drill out a one-way security screw

Drilling is the most destructive option, so save it for a screw that cannot be turned with a remover, screwdriver slot, or gripping tool. It may be the right choice when the head is badly damaged, the screw is recessed, or the screw is holding an item you need to open.

Before drilling, check what is behind the screw. Don’t drill into a housing if wires, batteries, pipes, or delicate parts may be close behind it. Remove the item from power where possible.

A controlled drilling method

1. Secure the item. It should not move while the drill is running.
2. Protect the nearby surface. Use tape or a cover to reduce scratches and help catch small metal pieces.
3. Mark the centre of the screw. A centre pin can make a small mark so the drill bit is less likely to wander.
4. Fit a small metal drill bit.
5. Drill straight into the middle of the head. Use slow speed and light pressure.
6. Make a hole about 2–3 mm deep. Check the head often instead of drilling far in one go.
7. Try the removal method again if the head changes shape. A larger bit, flat screwdriver, or gripping tool may now work.
8. If necessary, continue drilling until the screw head separates from the shaft.

The 2–3 mm depth is a useful starting point. You don’t need to drill deep immediately. A small central hole may give a later tool enough purchase, or it may weaken the head so it can be removed.

Keep the drill straight. Leaning the drill can enlarge the hole in the surrounding material or damage the screw opening. Use only enough pressure to let the bit cut. If the bit gets hot, stop and let it cool.

Once the head is removed, the remaining screw shaft may still be sitting in the material. If enough of it is exposed, grip it with pliers and turn it out. If it is below the surface, you may need a suitable extractor or help from someone experienced with small metalwork.

Using a left-hand drill bit for a stubborn screw

A left-hand drill bit cuts while turning in the opposite direction to a normal drill bit. That reverse action can sometimes loosen a one-way screw as the bit bites into it.

This makes it a useful middle step between a specialist remover and drilling the whole head away. It may work especially well when the screw is tight but still has enough metal left for the bit to grip.

How to try a left-hand bit

1. Make a small centre mark with a centre pin if the bit keeps sliding.
2. Fit the left-hand bit securely in the drill.
3. Set the drill to reverse.
4. Place the bit in the middle of the screw head.
5. Apply light, straight pressure.
6. Keep the speed controlled and watch for the screw beginning to turn.

Don’t assume the bit will remove the screw. It can sometimes do so, but the result depends on the screw, the material, and how firmly it is stuck. If the bit only makes a hole, stop and decide whether to use a remover, make a slot, or drill the head away.

A left-hand drill bit is also worth considering when you want to avoid cutting a large slot into the surface. Still, it needs careful handling. If it wanders, it can mark the item just like a normal drill bit.

How to remove security screws without a dedicated tool

If you’re wondering how to remove security screws without tool, start by separating “without a dedicated remover” from “without any tools at all.”

A one-way screw is designed to resist ordinary turning. You normally need something that can either:

• Create a new drive shape
• Grip the outside of the head
• Cut into the screw
• Drill the head away

The easiest no-dedicated-tool route is usually to make a slot and use a flat-head screwdriver. If the screw head is exposed, locking pliers may be quicker.

Here’s the decision path:

The head is exposed

Try gripping it with pliers or locking pliers. If that fails, cut a slot across the head and use a flat-head screwdriver.

The head is recessed

Skip the gripping method. A flat screwdriver may not reach the screw at the right angle, so a clutch head removal tool or drill is more suitable.

The screw head is damaged

Don’t keep forcing a screwdriver into it. Make a new slot if there is enough metal, or use a small drill bit to create a fresh centre point.

You have no cutting or drilling tool

There may be no reliable way to remove a properly fitted one-way screw. Look for a matching remover, borrow one, or take the item to a repair service. Forcing the wrong object into the head can cause more damage and make the proper repair harder.

Avoid using a knife or another sharp household object as a substitute for a screwdriver. It can slip suddenly and injure your hand or damage the item.

What to do when the screw head is stripped or truly unremovable

A stripped screw has lost the shape needed for its driver. A one-way screw is different: its unusual shape is intentional. The two problems can happen together, but they call for different thinking.

If the head is only partly damaged, try a clutch head removal tool first. It may still find enough of the original shape to turn the screw. You can also cut a new slot if there is enough metal left.

If the screw is recessed and the head is badly damaged, drilling may be the more controlled choice. Start with a centre pin, then make a small hole about 2–3 mm deep. Try a left-hand drill bit before drilling the head away completely.

If the surrounding material is fragile, pause before using force. This matters with plastic housings, painted furniture, children’s products, and any item where a slipping drill could cause a bigger problem than the stuck screw. Cover nearby surfaces and work in short bursts so you can check your progress.

Once the screw is out, replace it with the correct fastener for the item. If it needs another one-way screw, use a clutch head tool for installation and an adjustable drill clutch. Set the clutch so the screw is only just seated. Overtightening can damage the head and leave you repeating the same removal job later.

For more practical help with choosing, fitting, and caring for baby and toddler footwear, browse Baby Sock Shoe’s guides.