Asked by: Jonie Riveiro
sports climbing

Is a hex key an Allen wrench the same thing?

Last Updated: 29th May, 2021

A hex key, also known as an Allen key or Allen wrench, is a small handheld tool that's used for for driving bolts and screws with a hexagonal socket. They are available in many different sizes, though they all have the same hexagonal-shaped tip. To learn more about hex keys and the benefits they offer, keep reading.

Click to see full answer.

Besides, is an Allen wrench?

An Allen wrench is one of the simplest wrenches to use. The Allen wrench itself is a small L-shaped wrench with six sides. If you look at a cross-section of the Allen wrench, it looks like a hexagon. Since the Allen wrench has such a specific shape, it can only be used with items especially designed for it.

Additionally, what can I use instead of a hex key? Screwdrivers Sometimes you can use small types of flathead screwdrivers as a hex wrench by putting the end in the socket so that the two edges of the screwdriver work as leverage in the hole to turn it. The wider the socket on the bolt or nut, the wider the flathead screwdriver you will want to use.

Thereof, why are hex key called Allen wrenches?

Answer: It isn't. It's called a “hex socket key” (hex short for “hexagonal”). The hex key, or at least its means of manufacture, was devised by the Allen Manufacturing Company of Hartford, Connecticut, and patented in 1910. It was produced as the companion piece to the company's hexagonal socket screws.

Are Torx and Allen keys the same?

What Is the Difference Between a Torx Key and an Allen Key? Allen keys, also called hex keys, feature a hexagonal cross section, while Torx keys feature a star- or asterisk-shaped cross section.

Related Question Answers

Zunilda Cimpean


What's another name for Allen wrench?

A hex key, also known as an Allen key or Allen wrench, is a small handheld tool that's used for for driving bolts and screws with a hexagonal socket.

Ghizlane Arandiga


How do I know what size Allen wrench I need?

Hex wrench sizes are determined by the diameter of the screw. This is what you'll need to pay special attention to when choosing an Allen wrench.

A typical set will contain a wide range of sizes, including:
  1. 1/8 inch.
  2. 3/32 inch.
  3. 7/64 inch.
  4. 5/32 inch.
  5. 3/16 inch.
  6. 1/4 inch.
  7. 7/32 inch.

Ouafaa Nacke


How do you get a stripped Allen bolt out?

Step 1 Removing Stripped Counter-Sunk Allen-Key Bolts
  1. Cut a slot into the screw head.
  2. Place a screwdriver in the slot and tap with a hammer in the counter-clockwise sense to loosen the bolt.
  3. Unscrew the bolt with the driver.

Jafet Hauenstein


How do you remove Allen bolts without Allen keys?

How to Remove Allen Head Screws Without an Allen Head Screwdriver
  1. Try to find a standard screwdriver that fits snugly between two of the points of the screw. It should fit with no wiggle room.
  2. Get your hacksaw. Put a small toothed blade on the saw.
  3. Use a standard screwdriver that fits the groove you just made snugly.

Ioachim Raumschuessel


Nerea Lieb


What do you use an Allen wrench for?

Allen wrenches are used to tighten or loosen bolts with hexagonal sockets. These bolts are usually found on types of furniture such as tables, chairs, or shelves, because of their simplicity and small size as they do not protrude much.

Aines Wulffen


How do I tighten my Allen key?

If you wish to tighten a bolt, carefully insert the tip of your Allen wrench into the hexagonal cross section of the bolt and proceed to firmly turn the wrench in a clockwise fashion until the bolt has been sufficiently tightened.

Angelyn Davids


Why did Ball End Allen key?

Easier hex key
When you buy a hex key (Allen wrench) set, get them with ball ends. The advantage is that their ball end make it easier to slide the wrench into the receiving slot. You can reach in at an angle and feel your way to the needed drop-in position faster. Good for blind or inaccessible places.

Yusraa Vercas


How do you remove a hex screw?

How to Remove a Hex Screw
  1. Insert the long end of various hex-key wrenches into the hexagonal slot of a hex screw until you find a wrench that fits into the slot.
  2. Check the fit of the key wrench by turning it slightly to either side with gentle pressure.
  3. Turn the hex-key wrench in a counterclockwise direction to loosen the fastener.

Naaima Lawentman


How is hex size measured?

How to Measure a Hex Bolt
  1. Step 1: Measure Shank. The first measurement that you will need to take is the overall length of the shaft of the bolt.
  2. Step 2: Measure Unthreaded Area. Most hex bolts have an area that does not have threads.
  3. Step 3: Measure Bolt Diameter.
  4. Step 4: Count Threads.
  5. Step 5: Make Note of Grade.

Lidija Eguillor


What size is m8 Allen key?

Metric Allen Key Table
Socket Shoulder Screw Key Size
10 (M8) 5mm
12 (M10) 6mm
16 (M12) 8mm
20 (M16) 10mm

Manolo Wilchek


Does Walmart sell allen wrenches?

13pc Metric Hex Key Allen Wrench Set Long Short Arm End W/ Holder Sae Set Tools -

Iyan Meegen


What to use if you don't have a tiny 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.

Prisciliano Struve


What are Allen wrenches made of?

Allen wrenches, also called "hex keys," start as large pieces of steel alloy known as billet. These 50- to 80-lb. blocks are loaded into a powerful hydraulic press that squeezes the malleable metal through a small opening, creating a long, rod-like piece.

Huong Obolsky


What is the smallest Torx size?

For use with Internal Socket Head Type TORX Screws
Size Inch P to P Metric P to P
T1 .031 .81mm
T2 .036 .93mm
T3 .046 1.10mm
T4 .050 1.28mm

Reem Amuscotegui


What are Star Allen Keys called?

Other Names for Hexagon and Torx Keys
Hexagon keys are also known by several other names including hex key, hex wrench, Allen key, and Allen wrench. Torx is a brand name trademark for fastener heads and keys that have a six-point, star-like pattern.

Pierrette Neue


What size hex key does IKEA use?

The important thing is that you'll want an Allen wrench (hex) bits in sizes 3mm and 5mm. As noted above in the update, the smaller one, 3mm, is used by far the most with Ikea furniture, and the 5mm one is also common.

Yasuko Mallada


What can I use instead of an Allen key?

Sometimes you can use small types of flat headed screwdrivers as an allen wrench by putting the end in the socket so that the 2 edges of the screwdriver work as leverage in the hole to turn it. A wider socket on the bolt or nut, use a wider flathead screwdriver.