Aug 25, 2025 · Below is a detailed hex key size chart showing both metric and imperial measurements. This chart will help you quickly find the right size tool for your project.

Hex keys are designated with a socket size and are manufactured with tight tolerances. As such, they are usually sold in kits that include a variety of sizes. Key length typically increases with …

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.

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

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 …

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

Inch Series Hexagon Keys ... Applicable Specifications: ASME B18.3. Hardness: RC 45-53.