What is an Allen Key and Types of Allen Key? - ElectronicsHub USA

An Allen key, also called a hex wrench or hex key, is a versatile hand tool designed to loosen or tighten screws & bolts using hexagonal sockets or heads. Its distinctive L-shaped or T-shaped design features a hexagonal tip that fits precisely into corresponding fasteners. The Allen key aims to apply torque to these fasteners, […]

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