Allen Keys

Allen keys, also known as hex keys, are hand tools used to turn screws and bolts with a hexagonal socket. They come in various sizes and are designed to fit into the socket head of the screw or bolt. Allen keys are typically L-shaped, with one end bent at a 90-degree angle to allow for easy access to screws or bolts in tight spaces.

The name “Allen key” comes from the Allen Manufacturing Company, which patented and introduced the hex socket screw and wrench in the early 1900s. Today, Allen keys are widely used in various industries, including automotive, construction, and DIY projects.

 

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Description

Allen keys, also known as hex keys, are hand tools used to turn screws and bolts with a hexagonal socket. They come in various sizes and are designed to fit into the socket head of the screw or bolt. Allen keys are typically L-shaped, with one end bent at a 90-degree angle to allow for easy access to screws or bolts in tight spaces.

The name “Allen key” comes from the Allen Manufacturing Company, which patented and introduced the hex socket screw and wrench in the early 1900s. Today, Allen keys are widely used in various industries, including automotive, construction, and DIY projects.

Allen keys are available in both metric and imperial sizes, with the most common sizes ranging from 0.7mm to 19mm or 0.028 inches to 0.75 inches. They are made from a variety of materials, including carbon steel, stainless steel, and aluminum. The material used can affect the strength, durability, and corrosion resistance of the Allen key.

Using an Allen key is simple. Insert the short end of the L-shaped tool into the hexagonal socket and turn the screw or bolt clockwise or counterclockwise to tighten or loosen it. Because of their small size and simplicity, Allen keys are often included in toolkits for home use and can be purchased individually or as part of a set in hardware stores or online.

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Allen Keys

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