Hexagon Allen Key 2.5mm

Product Information

From RS PRO, this high-quality T-handle hex key set is a handy way to keep differing allen key sizes all in one place. The rubberised t-handles ensure that applying torque is easy and efficient, and the range of sizes means you're fully prepared for precision hex driving applications. This 10-piece key set is corrosion resistant and is made from chrome vanadium steel, for a long and dependable tool life. Exact Size of spanner or wrench:Unlike allen or hex keys spanners often will come as double ended (both sides can be used but the size differs). So in one spanner we can tight two sizes of bolts. But we have given the exact size for a specific size of bolt in bold. So you should use the size of the bolded character in the table. Non-sparking designs – While most Allen™ keys use an alloy steel or tool steel material in their fabrication, there are options available that utilize Beryllium Copper in lieu of steel. The Beryllium Copper material will not create sparks if the tool accidentally slips and strikes another metal surface. The non-sparking feature of this material makes these types of Allen™ wrenches suitable for use in applications where the presence of flammable gases or combustible liquids might exist. You should use the correct size of the tool mentioned in the table. Otherwise, it will slip (seperate from the tool) and causes mild or severe injury.

Allen key / Allen wrench/ Hex key: Allen bolt is a type of bolt which has cylindrical head having hexagonal bore in it. The tool used for handling this bolt is called Allen key or Hex key. Here Allen key or Hex key mentions the same tool. A: In 1909-1910, William G. Allen patented a method of cold-forming screw heads around a hexagonal die. The first trademarked hex key in the US was made by Allen Manufacturing and the name has been used ever since. Fastener: Fastener is a device which joins two or more objects as a temporary joint. So we can easily remove the joints and again seperate these two objects. Allen screws are not pre-stamped on the top or side of the screw with the Allen wrench size needed and can add to the difficulty of locating the correct Allen wrench. RS PRO aims to be your go-to brand when you need quality, reliability and value for money. With all our parts subjected to rigorous testing by our in-house experts, we're confident we can supply you with the tools and parts you need for any purpose.Besides the common types described earlier, Allen™ wrenches are available with other features that improve safety or increase convenience for using the tool. It is believed that William G. Allen who invented this type of bolt and so it is called Allen bolt although independly others have invented. It enables a more pleasant action when used repeatedly and allows for greater torque to be exerted than with the traditional L-shaped Allen key, which is also available. Short and long lengths are also offered, so you can insert the shorter tools into tighter spaces or corners where a longer tool wouldn’t fit in the bolt. If you are interested to know about the drill sizes for tapping metric thread and BSP thread then follow the link below

Some ball-end Allen keys have a ball at one end of the driver and a shorter driver extending off the handle with a regular hex head at the other end of the driver. Others may choose to use a ball at both ends of the tool or a single driver with a handle on one end of it. Lastly, there’s one other added benefit to having both SAE & metric hex keys. In the United States, larger metric half sizes like 6.5 mm aren’t standard in most hex key sets. However, the 1/4″ SAE hex wrench will likely work in place of a 6.5 mm wrench. In scenarios like these, use the chart to estimate the correct alternative. You can test different sizes till you find the best match. We do recommend starting slowly to ensure that you don’t damage the hardware.

Additional Resources

This article will present information on Allen™ wrenches, what they are, their advantages, and the common sizes that are available in the marketplace. To learn more about other types of fastener products, see the list of related articles at the end of this article. What is an Allen™ Wrench? The head of the hexagonal bolt has six sides ( hex - means six in Greek, gonia - means angle in Greek, bolt head has six sides and six angles) and so it is called hexagonal. But the head of the Allen bolt has only cylindrical shape. But it is called Allen Bolt. Why? An Allen key size chart is frequently included with self-assembled furniture, such as infant cribs, outdoor swings, or computer tables.

Ball-end Allen keys – The ball head Allen key is one of the more distinctive types of Allen Key available. They are distinguished by the presence of a hexagon-shaped ball at the driving end of the tool. Allen wrenches of this sort are available in two different types: L-shaped and T-shaped designs.Our range of long-reach Allen keys are manufactured by leading brands like Irwin, Stanley, Bahco, GearWrench, Wiha Tools, Facom, RS PRO, and of course the original trademark designer, Allen. How would you use a long reach hex key? If you are unfamiliar of these types of bolts and screws, you can refer the images given below the table for the proper identification of bolts and screws. Long-reach Allen keys are a common feature of most good quality hex key sets, which tend to include a useful range of common wrench sizes and diameters (typically from around 1-1.5mm, up to 12mm and beyond).

Here you can find the only hex key size chart and the Allen wrench size guide you’ll ever need. The hex wrench sizes chart cover metric, and the Allen key size chart metric, and an Allen wrench chart where the Allen keys are made from another material and have the ball head. Allen Keys Metric Hex sizeAllen™ screws and wrenches are not the be-all-end-all in the world of fasteners and tools. Some complaints focus on the tool size being too small to allow for one to apply sufficient torque in all cases. Also, inferior materials used in the manufacturing of either the wrench or the screw can render them easy to damage in spite of the increased number of pressure points. But they are still popular more than 100 years after William G. Allen™ filed for his patent and will likely be here to stay for the foreseeable future. Summary What is "M" in M5: M here denotes metric. So M5 means 5 mm (milli metre) metric thread. So when we mention the thread type of metric which is used in the bolt or screw we will mention the size of the bolt or screw prefixing M.So we can say M3 Hex bolt, M3 Allen bolt, M3 nut, etc. Figure 1 – The cross-section of an Allen™ key showing the measurement for width across flats Types of Allen™ Wrenches Allen™ wrenches or Allen™ keys are generally available in several different styles or types. The most common Allen™ wrench type is the one mentioned earlier – the L-shaped hex key – but there are other variations that incorporate different handle designs, utilize different materials, or add special features. A summary of the most common Allen™ wrench types is found below: