Allen key size chart in inches Aug 26, 2025 · Check out the Allen bolt size chart with dimensions, standards, and uses. Jan 5, 2024 · Allen wrenches come in a wide range of sizes. An Allen key size chart will typically be published by the manufacturer of your sets. To recognize the sizes, you can look for inscriptions on the tool itself, measure the distance between opposite corners, or use a hex key. They show the proper keys for socket head cap screw, flat head cap screws, buttons head cap screws, set screws, shoulder screws, pressure plugs, allenuts, and low head cap screws Inch | Metric Find the right Allen wrench fast with this clear hex key size chart, including SAE to metric conversions and the most common dimensions used in machinery and assembly work. Feb 25, 2020 · A complete chart of Allen wrench sizes for both metric & SAE. The most common types of Allen wrenches are: Hex key wrenches: These are the most common type of Allen wrench, characterized by their hexagonal shape and flat ends. For example, an M8 socket cap screw requires a 6mm hex key that is at least 32mm long. 5mm to 10mm for metric fasteners and from 0. Comprehensive chart detailing socket head cap screw sizes and dimensions for various applications. It is important to know the size of the Allen key bolt before beginning any project to ensure that you have the right size for the job. Aug 25, 2025 · Discover the complete hex key size chart with metric and imperial measurements. Hex key (also known as allen key, hexagon key and socket key), sizes and its dimensions are used to determine which size hex key is required for use with the applicable fastener depending on the thread size of the fastener. An Allen key size Hex Key (Allen) Size by Socket Screw Type Infer a likely screw size from the internal hex that fits. Jul 20, 2023 · Hex keys come in various sizes, ranging from miniature keys that are just a few millimeters in size to large industrial-grade keys that can be several inches in length. It lists the key sizes needed for screws from M3 to M24, along with the length and shortest length of each key size in both inches and millimeters. Values show inch size with metric equivalent in parentheses. g. Allen wrench (hex key) size chart for long arm and short arm allen wrenches, torx/star keys. But before you choose to reference this chart, you must know that we always recommend that you upgrade to a separate metric hex key set. Allen wrench (hex key) size chart for long arm and short arm allen wrenches, torx/star keys. Embark. Offering both sae & metric size guides for finding the right substitute hex. Learn about allen wrench size charts from this article. Hex key (also known as allen key, hexagon key and socket key), sizes and its dimensions are used to determine which size hex key is required for use with the applicable fastener depending on Finding the correct size for your socket head can be made much simpler in this situation with the aid of a hex key or Allen wrench size chart. 05 inches to 3/8 inches for imperial fasteners. Learn how to pick the correct Allen bolt for secure and precise fastening. This document provides a chart showing the sizes of hex keys (also known as Allen keys) that correspond to different sizes of metric socket cap screws. Bed frames, dressers, tables, chairs, TV stands, and bookcases are just a few common pieces of furniture where hex keys are needed for assembly. ® Taparia Metric series Allen Keys are made as per IS 3082 & Din 911 standard and Inch series Allen Keys are made as per BS 2470 standard Allen Bolts are heavy profile hexagon head bolts with full or partial thread configurations. It also notes that RS stocks hex key sets for toolboxes. The Allen key sizes are listed from smallest to largest in both units of measurement side by side for easy comparison. Sae to metric conversion chart Need decimal equivalents of the common inch fractions? Allen wrench (hex key) size chart for long arm and short arm allen wrenches, torx/star keys. Sizes of Allen wrenchesAllen wrenches Need decimal equivalents of the common inch fractions? See this table. Need decimal equivalents of the common inch fractions? A complete chart of allen wrench sizes for both metric & sae. Hexagon Key Wrenches ISO 2936L EXTRA LONG chrome vanadium steel - Type 210 available in black colour and nickel plated metric size inch size metric size inch size Series Socket Set Screws (continued) Hex Key Engagement for Short Length Screws The use of short length set screws shown in the above table may result in failure of the hex key or mating threads because the key engagement is less than optimal. When it comes to allen keys, one size certainly doesn’t fit all. You can find a chart of the allen wrench sizes from any manufacturer [source: The ultimate guide to allen wrench conversions at hand tool essentials. Aug 19, 2021 · Furniture As already mentioned, hex keys are used in most modern furniture where some assembly (and hair pulling) is required. Nov 25, 2017 · If you’re looking for a quick imperial to metric conversion guide for Allen wrenches, you’ve come to the right place. Learn about the different types of Allen key screws, their sizes, and how to choose the right one for your project. Jun 13, 2025 · Discover the most common Allen key sizes with practical tips, charts, and real examples to help DIYers and mechanics choose the right hex wrench every time. Learn about the standard of DIN 911, ISO 2936, including size chart for short arm hex keys and long arm hex keys, allen wrenches. The chart typically lists common Allen key sizes in millimeters (metric) and their corresponding equivalent sizes in inches (imperial); It often includes both fractional and decimal inch values, making it easier to find the right Allen key regardless of the measurement system used. Hardness: R C 45-53. However, rogue DIYers insist on a torx to Allen wrench conversion chart. Hex Key Chart ENGLISH Hex Key (also known as Allen Key, Hexagon Key and Socket Key), sizes and its dimensions are used to determine which size hex key is required for use with the applicable fastener depending on the thread size of the fastener. Order on Line Allen Wrenches, Allen Hex Keys Inch Sizes Precision tolerances, heat treated alloy steel, blackfinish An Allen key (also called a hex key or hex wrench) is a small, L-shaped tool used to drive bolts and screws with hexagonal (six-sided) sockets in their heads. Apr 5, 2025 · Types of Allen Wrenches Allen wrenches come in a variety of sizes, shapes, and materials. For example for an M8 socket head cap screw we need at least 32+8 (head size) = 40mm clearance above the screw for Hex Key Chart Hex Key (also known as Allen Key, Hexagon Key and Socket Key), sizes and its dimensions are used to determine which size hex key is required for use with the applicable fastener depending on the thread size of the fastener. For instance, metric size 9. Allen Wrench Sizes Chart Allen Wrench Sizes Chart - Offering both sae & metric size guides for finding the right substitute hex. The document provides a hex key chart that lists metric Allen key sizes and their corresponding dimensions based on Din 912 standards for socket cap screw thread sizes from M3 to M24. Nov 10, 2025 · This guide provides detailed Allen Bolt Size Chart in Metric & Inches, including hex socket head bolt dimensions, Allen key sizes, torque chart, Head Types and HSN Code. We’ve provided the best substitute SAE hex key for each given metric size. Offering both SAE & metric size guides for finding the right substitute hex. 11320 FM 529 RD BLDG F HOUSTON, TEXAS 77041 TEL (713) 896-1166 FAX (713) 896-7879 Allen Key (Hex Key) and Hex Bit Sizes Chart to show dimensions of Allen keys (Hex keys) and bit sockets according to ASME B18. Learn about the standard of ASME-B18. , #6-32 to 1″-12) and their corresponding hex key dimensions in inches. Armstrong Metalcrafts does prototyping and produces devices that stimulate the imagination, spark a conversation, and enlighten the soul. . 23 mm. To recognize the sizes, you can look for inscriptions on the tool itself, measure the distance between opposite corners, or use a hex key size chart. Related Resources: hardware Metric Socket Head Cap Screws Size Table Engineering ANSI Hardware Design Data Engineering Metric Hardware Design Data All dimensions are in millimeters. 3-2003 standard. It shows the required Allen key size for each screw size and includes the key length, shortest length, and RS part number. The sizes range from 1/64 of an inch to 7/8 of an inch and their metric equivalents from 1. 3. Most manufacturers will publish an Allen key size chart. View all the common hex key sizes that are seen in standard sets at hand tool essentials. The inch or millimeter size may have rubbed off with use or may be entirely too small to read. HEX KEY SIZE Inch Size Regular Hex Heavy Hex Socket Head C/S Button/Flat Soc C/S Metric Allen Key Size Chart Allen Key Size Chart - The good news is that just about every tool manufacturer has a range of hex key sets you can purchase. Related Resources: hardware Allen Hex Key Hexagon Keys Inch Series Tools ANSI Hardware Design Guides ISO Metric Hardware Design Guides General Engineering and Design Resources Allen Hexagon, Hex Key, Hexagon Keys Inch Series Tools Inch Series Hexagon Keys - Applicable Specifications: ASME B18. Jul 28, 2024 · The Ultimate Guide to Allen Screw Sizes: Learn the standard sizes, measurements, and applications of Allen screws to ensure you've got the right fit for any project. 2M Hardness: RC 45-53. 59 mm to 22. Sae to metric conversion chart The ultimate guide to allen wrench conversions at hand tool essentials. Jan 16, 2025 · The chart outlines the relationship between screw sizes (e. Some important notes from the ASME B18. SAE to Metric Conversion Chart Hex Key Chart Hex Key (also known as Allen Key, Hexagon Key and Socket Key), sizes and its dimensions are used to determine which size hex key is required for use with the applicable fastener depending on the thread size of the fastener. Find the ideal socket head cap screw key size with this comprehensive chart, including decimal equivalents, hex key sizes, head heights, and diameters. Jul 26, 2021 · The inch or millimeter size could wear, and it is here where an Allen wrench or hex key chart can significantly simplify determining the correct size for your socket head. Mar 20, 2019 · Allen Key Size Chart Most Allen wrenches have the size stamped clearly on the side of the tiny, angled tool. Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than M3 nor larger than M36. These include ball-end keys for accessing screws at angles, tamper-resistant keys with specialized patterns, and long-arm keys for reaching recessed fasteners. View all the common hex key sizes that are seen in standard sets at Hand Tool Essentials. See full list on thomasnet. For example, a #10-24 screw typically uses a 3/16″ Allen key, while a 1/2″-13 screw requires a 1/2″ key. Nov 11, 2019 · This chart is extremely useful if you ever need to lookup an allen wrench conversion. They are incredibly versatile and can be used to tighten or loosen fasteners in a wide range of applications, from bicycles to machinery and everything in between. Learn uses, types, and tips for choosing the right Allen wrench. Allen wrenches (key keys) come in many different sizes and styles. Need decimal equivalents of the common inch Standard Key and Keyway Sizing English Dimensions:Keyway: W x T Key: W x T Allen Key Size Chart Allen Key Size Chart - Here's a handy chart to help you find the correct size. Boltport is a manufacturer of Allen Bolts in metric and imperial sizes with coarse, fine, extra fine, and custom threads to various dimensional standards and material specifications. These dimensions of allen keys can be used to check the accessibility of your bolts were space is limited. This article Oct 27, 2024 · A comprehensive guide to understanding Allen key screw sizes. The Allen key bolt size chart is a useful tool for finding the size of any Allen key bolt. Feb 23, 2019 · We actually don't recommend using your torx wrenches in place of a hex key. In this case, an Allen wrench or hex key chart can make finding the right size for your socket head much easier. A complete chart of allen wrench sizes for both metric & sae. Aug 25, 2024 · Download the ultimate Allen key size chart PDF! Quickly find the right size for your bolts and screws with our easy-to-read guide. Common hex key sizes typically range from 1. 3, including size chart for imperial short arm hex keys and long arm hex keys, allen wrenches. Can I use a hex key interchangeably with a screwdriver? Inch Series Hexagon Keys (continued) Mechanical Properties Inch Series Hexagon Keys (continued) Hex Key/Socket Screw Product Application Metric Hexagon Keys Applicable Specifications: ASME B18. Understanding these dimensions is essential for navigating the diverse landscape. Hex Key Chart Hex Key (also known as Allen Key, Hexagon Key and Socket Key), sizes and its dimensions are used to determine which size hex key is required for use with the applicable fastener depending on the thread size of the fastener. Allen hex key selector which key fit which screws or fasteners here are wonderful charts showing which keys fit what products. Notes: Hex Key Chart Hex Key (also known as Allen Key, Hexagon Key and Socket Key), sizes and its dimensions are used to determine which size hex key is required for use with the applicable fastener depending on the thread size of the fastener. com Nov 23, 2018 · The ultimate guide to Allen wrench conversions at Hand Tool Essentials. Oct 19, 2010 · Allen Key (Also known as Hex Key, Hexagon Key, Socket Key, LN Key), sizes and its dimensions can be very handy while designing and selecting fasteners for your application. You. Automotive Industry Allen keys are needed for many components on vehicles due to their ability to apply high torque without Jan 23, 2023 · Beyond the Basics: Specialty Allen Keys In addition to the standard sizes outlined in the chart, there exists a realm of specialty allen keys designed for unique applications. Hexagon Keys are furnished as Short Arm Series or Long Arm Series. Mar 13, 2019 · Need a guide for metric to SAE conversions for hex keys? Reference our metric to Imperial size chart for substituting Allen wrenches. Jun 12, 2025 · Allen Wrench Sizes: Everything You Need to Know – Discover all Allen wrench sizes, their uses, and how to choose the right size for your projects easily. This document provides a comparison of common Allen key sizes in both inches and millimeters. Provides dimensions for inch and metric allen wrenches. Here's a handy chart to help you find the correct size. Hexagonal (Hex) keys (Allen Keys) and bits sockets are tools which are used to drive screws with a hexagonal socket. 3: - Hexagon keys and bits Hex Key Chart ENGLISH Hex Key (also known as Allen Key, Hexagon Key and Socket Key), sizes and its dimensions are used to determine which size hex key is required for use with the applicable fastener depending on the thread size of the fastener. You'll want a range of allen wrenches to make sure you have the right size for every particular need. izid oczxrsb rjure zrqhv sfpcc hxirced pxkt sfnla xoaet razwv nsfy bzht vuuqunl sxxlr kkcy