Hex Key (Allen Wrench) 17 mm JCB model JCB-76417

Hex Key (Allen Wrench) 17 mm JCB model JCB-76417 is a single-piece hand tool produced by JCB for driving and loosening 17 mm internal hex fasteners. The tool is designed for workshop, garage and equipment service environments where a compact, rigid hex key is required for mechanical maintenance, assembly and repair tasks. Its straight, one-piece construction provides direct torque transmission to the fastener head.

Advantages

This 17 mm hex key offers a straightforward design with a durable single-piece build that reduces the risk of joint failure and increases torque transfer efficiency. The tool’s compact profile allows access in confined spaces and simplifies storage in toolboxes or on service benches. Manufactured to JCB quality standards, it is intended to provide consistent fit to 17 mm internal hex sockets and reliable performance for repetitive use in maintenance workflows.

Suitable for

• Assembling and disassembling machinery and equipment with 17 mm internal hex fasteners
• Routine mechanical maintenance and repairs in workshops and garages
• Field service and equipment servicing where a compact hex key is needed

Key specifications

• Tool type: single-piece hex key (Allen wrench)
• Working size: 17 mm internal hex
• Construction: one-piece metal shaft for direct torque transfer
• Finish: plain or plated metal surface designed for workshop use
• Application environment: workshop, garage, field service, equipment maintenance

How to use

Insert the 17 mm end of the hex key fully into the internal hex recess of the fastener to ensure full contact between the tool and the fastener faces. Apply steady torque in the required direction to loosen or tighten the fastener; use controlled force to avoid rounding the hex socket. For higher torque needs, use an appropriate holder or lever extension only if the tool and working conditions allow safe operation. After use, clean debris from the tool and store in a dry place to reduce corrosion and ensure consistent fit on future fasteners.

Usage recommendations

Use this 17 mm hex key for fasteners that match the 17 mm internal hex size. Inspect the tool and the fastener for wear before applying high torque. When working in tight spaces, position your body and hands to maintain control and reduce risk of slippage. Store the tool in a toolbox or on a rack to keep it protected and readily available for maintenance tasks.