Apr 7, 2021 · This article provided a summary of the commonly available sizes of Allen ™ wrenches/keys, and explained the different types of Allen ™ wrenches, as well as the …

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.

Allen wrench (hex key) size chart for long arm and short arm allen wrenches, torx/star keys. Provides dimensions for inch and metric allen wrenches.

Allen Wrench (Hex Key) Size Chart For Long Arm And Short Arm Allen Wrenches, Torx/Star Keys. View all the common hex key sizes that are seen in standard sets at hand tool essentials.

Complete allen key specification charts for imperial and metric hex keys. Download printable PDF references with socket sizes, key dimensions, and torque specifications.

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.

Nov 10, 2025 · How to Calculate and Determine the Key Size for an Allen Bolt？ Allen bolts, also known as hex socket head screws or Allen screws, are common fasteners found in machinery, …

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. …

Need decimal equivalents of the common inch fractions? See this table.

Dec 19, 2022 · They are sold in sets, with a variety of sizes designed to fit different sockets. The chart below outlines the most common allen key sizes. Also known as hex keys or hex …