Hex Key (Allen Wrench) Dedra 17F022Z — single 1/2" imperial hex key

Dedra 17F022Z is a single imperial hex key (Allen wrench) with a 1/2" hex size designed for fastening and loosening hex-head fasteners. This compact, hand-held tool is suitable as a replacement or spare key for tasks that require a 1/2" Allen key in mechanical, automotive and assembly environments. The simple one-piece design provides direct torque transfer for turning bolts and screws with internal hex sockets.

Advantages

The Dedra 1/2" hex key offers a straightforward, durable solution for working with imperial hex fasteners. Its single-piece construction reduces the risk of joint play and provides consistent contact with hex sockets. The compact format makes it easy to carry in a toolbox or tool roll and to use in confined spaces where longer handles can be impractical. Its solid form factor supports reliable torque application for maintenance and repair tasks.

Suitable for

• Mechanical maintenance and repair
• Automotive tightening and loosening of hex fasteners
• Assembly of furniture and equipment using 1/2" internal hex bolts
• Workshop and garage toolkits as a spare or replacement key

Key specifications

• Hex size: 1/2" (imperial)
• Tool type: single straight hex key (Allen wrench)
• Form factor: compact, one-piece hand tool
• Primary use: turning internal hex (Allen) fasteners
• Typical applications: mechanical, automotive, assembly tasks

How to use

Insert the 1/2" hex end into the corresponding internal hex socket of the fastener until fully seated. Apply steady rotational force in the required direction to tighten or loosen the fastener. For higher torque demands, use both hands on the shaft or leverage the longer arm if applicable, while ensuring the key remains fully engaged to avoid rounding the socket. Clean the key and fastener sockets of debris before use to maintain good contact.

Usage recommendations

Use the hex key only on fasteners that match the 1/2" size to prevent damage to both tool and fastener. Avoid applying impact blows or using the key as a pry bar. Store the key in a dry place to reduce corrosion and periodically inspect for wear or rounding before critical use.