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What can I use instead of a square screwdriver?

Author

Noah Mitchell

Published Jan 10, 2026

For Philips, Torx, and Robertson Screws

Sometimes, nails have a burr on the end of them so they can be used as a replacement screwdriver. Grasp the nail with a pair of pliers to turn it. You can even try using a hammer to tap the nail into the tiny screws, improving the grip.

What can you use if you don't have a square screwdriver?

A coin -- preferably a dime, which is thin enough to fit in most screw slots. If you can't turn the coin with your fingers, grip it with pliers. A credit card. If the screw isn't screwed in very tightly, you may be able to turn it with any plastic card -- even your driver's license.

What tool do you use for square screws?

A drill equipped with a clutch is the ideal tool to use because it will extend driver bit life.

What kind of screw has a square head?

What is a Robertson Screw or Robertson Head Screw? Most of us call Robertson screws “square drive” or “socket head” screws. They were invented by Canadian traveling salesman Peter Robertson around 1906.

Is there a square screw?

Square drive screws have a center square that neatly fits a driver - advantages to consider when working on a construction or DIY projects that use composite materials or join angles. For starters, they are most resistant to cam-outs or screwdriver slips, and the connections are tight.

15 related questions found

What is a square screw?

A Robertson screw, also known as a square screw or Scrulox, is a type of screw with a square-shaped socket in the screw head and a corresponding square protrusion on the tool. Both the tool and socket have a slight taper.

Do they make square sockets?

Sockets & Drivers for Square head Bolts

Try using a socket that fits the number of corners on your square head bolts. These Square Socket or 4-point sockets fit many of the common head sizes we sell. Sockets for square head bolts and Square Nuts. Bolts and screws are classified by their shank or shaft size.

What is a square head screwdriver used for?

Square Screwdriver

The square-headed screwdriver fits screws with a square-shaped recess. It was invented to reduce the cam-out issue of the slotted screws and therefore speed up the fastening process.

What is a square drill bit called?

Square drill bits are also called mortise bits, and the writers from Banging Toolbox post that the best ones fit universally in most mortising machines and drill presses that have hammering functions.

Why do deck screws have square heads?

Deck screws have square heads to increase the engagement of the driver bit in the head of the screw. This enables the screw to be driven in with less torque and less cam out, which will chew up the head of deck screws made from softer, corrosion-resistant metals. Screw extraction is also easier.

How do you unscrew a screw without a screwdriver?

If you do not have a flat head screwdriver then you can usually use any kind of flat surface to unscrew the screw. Use a card. Try using a card such as a plastic credit card to turn the screw. Insert the edge of the card into the long groove and turn counterclockwise to unscrew the screw.

What can I use as a mini screwdriver?

What to Use if You Don't Have a Screwdriver

  1. Flathead screwdriver.
  2. Coin.
  3. Butter knife.
  4. Hacksaw.
  5. Toothbrush.
  6. Old CD.
  7. Pliers.
  8. Thumbnail.

What do you do when you strip the top of a screw?

Use Pliers

If enough of the screw is above the surface, try using pliers. This method of removing a stripped screw requires a bit more muscle than most. Pliers will allow you to get a firm enough grip on the screw to pull it out. Locking pliers or vise grip pliers work best.

What type of screwdriver is used by electrician?

The two most common electrician's screwdriver models used are the Phillips head driver and the flat head, or blade-style, driver.

What are the 3 types of screwdriver?

Types of Screwdriver Heads

  • Phillips Head. AKA: Cross head screwdriver. If you only own one screwdriver, this is the one you want. ...
  • Flat Head. AKA: Straight head, flat blade, slotted screwdriver. ...
  • Allen Wrench. AKA: Hex key, Allen key, hex screwdriver, Ikea wrench.

What socket is used for Square Nuts?

3/8" Drive 9/16" Standard Impact Socket

Standard impact sockets are used in conjunction with a power tool to turn fasteners.

Will a 8 point socket fit a square nut?

8 point for squares can take off corners. Most all impact wrench sockets are 6 or 4 point.

How do you remove a rusted square nut?

Try a 6-point wrench or socket on your seized nut/bolt. Start by rocking the bolt by tightening then loosing, this may be all you need to break through the rust. Try and avoid 12-point wrenches and sockets as they likely to slip and strip the bolt head.

Is square head better than Philips?

Q: What's the advantage to square-drive screws over Phillips-head screws? A: The primary advantage to square-drive screws is they are much less prone to “cam-out.” Cam-out refers to the slipping of the bit in the screw head as the screw is driven. The square-head screw was invented by P. I.

Do Square Drive Screws strip?

The square drive provides a more positive bit engagement making it harder for the heads to strip out. Most other types of deck screws use a Philips head or a variation of a Philips type drive and some use a Torx style bit drive.

What is the most common square bit size?

They come in three main sizes – #1, #2 and #3 (#2 is again the most common).

What is slotted screw?

Slot. Slot screw drives have a single horizontal indentation (the slot) in the fastener head and is driven by a "common blade" or flat-bladed screwdriver. This form was the first type of screw drive to be developed, and for centuries, it was the simplest and cheapest to make.