Hex Key (Allen Wrench) 23 mm JCB — single L-shaped hand tool for fasteners

23 mm hex key (Allen wrench) by JCB is a single L-shaped hand tool designed to drive hexagonal socket fasteners. Manufactured to provide a correct fit for 23 mm internal hex bolts and screws, this compact tool offers direct torque transfer through a one-piece steel construction. It is intended for use in mechanical maintenance, assembly and repair tasks where a stable, accurately sized hex key is required.

Advantages

The JCB 23 mm hex key features a simple and robust design that delivers reliable engagement with 23 mm hex sockets, reducing the risk of rounding or slipping. Its L-shaped form provides leverage for applying torque and a short end for working in confined spaces. Made for durability, the tool resists bending under normal service loads and is compatible with common workshop and field environments.

Suitable for

• Mechanical maintenance and equipment servicing
• Assembly and disassembly of machinery with 23 mm hex socket fasteners
• Construction site fitting and adjustment tasks
• Workshop repair and routine tightening or loosening operations

Key specifications

• Tool type: L-shaped single-piece hex key (Allen wrench)
• Hex size: 23 mm (internal hex/socket)
• Material: hardened steel construction for torque transmission
• Shape: 90° L-shape with long and short arms for leverage and accessibility
• Finish: corrosion-resistant surface treatment suitable for workshop use

How to use

Select the 23 mm JCB hex key and insert the short or long arm into the hex socket of the fastener until fully seated. Use the long arm as a handle for higher leverage when loosening or tightening; use the short arm to access bolts in confined spaces or to prevent over-rotation. Apply steady, controlled torque and ensure the key is fully engaged to minimize wear on both tool and fastener. After use, wipe the tool clean and store it in a tool rack or toolbox to maintain condition.

Usage recommendations

Use the JCB 23 mm hex key only with correctly sized 23 mm internal hex fasteners. Avoid using cheater bars or excessive impact force that exceed normal manual torque, and inspect both tool and fastener for damage before use. Regularly clean and lightly oil the tool to reduce corrosion and ensure long service life.