Is a hex key the same as an Allen key?
A hex key, also known as an Allen key is a simple tool used to drive bolts and screws with hexagonal sockets in their heads. From standard keys in chrome vanadium steel to extra-long with ballpoint heads in chrome molybdenum steel, there are a wide variety to choose from.
What can I use instead of a hex key?
Socket Wrench or Ratchet Wrench If you have one that will fit in the hex screw hole or hexagonal socket you are working with, a socket wrench may come in handy in place of an Allen wrench. What is this?

Does Wilko sell Allen keys?
Product Information. This Wilko 14 piece Allen Key set is perfect for building flat pack furniture, amongst loads of other DIY tasks.
Are all hex keys the same size?
Common Metric Hex Key Sizes In addition to the precision sizes mentioned above, the common metric Allen wrench sizes are 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 7 mm, 8 mm, 9 mm, & 10 mm. Of these sizes, some of the more popular ones are 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, & 10 mm.
How do you remove a hex screw without a hex key?
How to Remove Allen Head Screws Without an Allen Head Screwdriver

- Try to find a standard screwdriver that fits snugly between two of the points of the screw. It should fit with no wiggle room.
- Get your hacksaw. Put a small toothed blade on the saw.
- Use a standard screwdriver that fits the groove you just made snugly.
What does a hex key look like?
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.
Can you use a drill for Allen wrench?
Can I put an Allen wrench in a drill? Yes. You can cut off the branch of the L-shaped hex key.
Do Halfords sell Allen keys?
The Halfords Basic 6 piece Allen Key set gives you a practical way of storing all your needed Allen Keys on one cool key ring.
What is the cost of Allen key?
Top Selling Allen Key & Torx Key Price List in India
Latest Models | Price | Discount |
---|---|---|
Taparia 9 Pieces Black Finish Allen Key Set in Box Packing, KM 9V | ₹209 | 9% off |
Stanley 8 Pieces Long L-Type Tamper Proof Torx Key Set, 92-624 | ₹999 | 20% off |
Taparia 1.5mm T-Handle Hex Key, TAK 1.5 (Pack of 10) | ₹474 | 10% off |
How do I know my hex key size?
Measure the Hex Key As long as you know how to measure a hex key, you can always determine the size you have. Hex keys measurements are done across-flats or AF. This simply means that they are measured from one flat side of the head to the one directly across from it.
What is the most common hex key size?
Many brands now offer two or three different sizes of three-way, but the standard 4, 5 and 6mm three-way remains the gold standard.
What size is a number 5 Allen key?
Pro Tips: 3/8″ can be used as a substitute for hex size 9.5 mm as well as 10 mm. 1/16″ works in place of hex size 1.5 mm, which isn’t included in most sets….SAE Substitutes for MM.
Imperial Hex Key | Metric Hex Size |
---|---|
1/8″ | 3.5 mm |
5/32″ | 4 mm |
3/16″ | 5 mm |
7/32″ | 5.5 mm & 6 mm |
Is there a universal Allen key?
Telehex: A unique universal allen key.
What is a standard size Allen key?
Common SAE Hex Key Sizes Adding to our precision sizes, the common SAE Allen wrench sizes are 1/16″, 5/64″, 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, 3/16″, 7/32″, 1/4″, 5/16 “, & 3/8″.
How is hex key size measured?
Measure the Hex Key Hex keys measurements are done across-flats or AF. This simply means that they are measured from one flat side of the head to the one directly across from it. Thank goodness for this little bit of knowledge.
What size is H5 hex bit?
1/4″
Shank: 1/4″ Hexagon. Size: H1. 5; H2; H2. 5; H3; H4; H5; H5….Specifications:
Size | Length | |
---|---|---|
H1/16 H5/64 H3/32 H7/64 H1/8 H9/64 H5/32 H3/16 H7/32 H1/4 | 25mm – 152mm | 1″ – 6″ |
What size is my hex key?
Hex keys are measured across-flats (AF), which is the distance between two opposite (parallel) sides of the hexagon.
How do you unscrew a hexagon screw?
- 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.
- Check the fit of the key wrench by turning it slightly to either side with gentle pressure.
- Turn the hex-key wrench in a counterclockwise direction to loosen the fastener.
How do I know what size my Allen bolts are?
How to Measure the Size of a Bolt
- Step 1: Measure the shank’s diameter.
- Step 2: Determine the thread pitch.
- Step 3: Measure the length of the shank.
- Step 4: Determine the bolt’s grade.
- Step 5: Determine the shape of the bolt’s head.
- Step 6: Measure the length of the threaded portion of the bolt.
What size hex is H4?
【Size】1/4 inch drive socket, H4 (4mm) hex bit, 1.5 inch (38mm) total length.
What size is H4 bit?
5; H3; H4; H5; H5. 5; H6….Specifications:
Size | Length | |
---|---|---|
H1.5 H2 H2.5 H3 H4 H5 H5.5 H6 | 25mm – 152mm | 1″ – 6″ |
H1/16 H5/64 H3/32 H7/64 H1/8 H9/64 H5/32 H3/16 H7/32 H1/4 | 25mm – 152mm | 1″ – 6″ |
How do you measure a hex?
They are measured from the top of the head to the tip. Hex and hex washer head screws and bolts, although flat on the top and the bottom, are measured from the bottom of the head. Oval head screws are an exception to the rule. The starting point for their length is at the widest point of the head.
How do you remove a hexagon screw without a screwdriver?
How do you unscrew a hexagon nail?