Hex key Proline 8 mm — Proline 48525 single metric Allen key

Proline 8 mm — Proline 48525 single metric Allen key is a compact, single-size hex key designed to operate hexagonal socket screws and bolts. Made for tasks that require a larger metric Allen key, this tool offers a simple and direct solution for tightening and loosening fasteners in mechanical, automotive and household environments. Its single-piece design keeps the tool compact and easy to store while providing the torque required for 8 mm hex fasteners.

Advantages

The Proline 8 mm Allen key provides a straightforward, durable option for working with 8 mm hex sockets. Its solid construction reduces flex under load and its single-size form factor eliminates the need to carry multiple keys when only one metric size is required. The tool’s compact length makes it convenient for use in confined spaces and for transport in a toolbox or pocket.

Suitable for

• Automotive repairs and maintenance where 8 mm hex bolts are present
• Mechanical assembly and disassembly of machinery and equipment
• Household repairs and furniture assembly using metric hex fasteners
• Light workshop tasks and on-site service jobs requiring a single large Allen key

Key specifications

• Hex key size: 8 mm (metric)
• Type: single-piece straight Allen key
• Material: hardened steel suitable for hand tool use
• Finish: corrosion-resistant surface treatment
• Length: compact length for access in confined spaces

How to use

Select the Proline 8 mm Allen key and insert the hex end fully into the fastener’s socket to ensure a secure fit. Apply steady turning force in the required direction to tighten or loosen the fastener; avoid excessive bending or levering that could damage the key or the fastener. For higher torque needs, use the long arm of the key for additional leverage while maintaining control to prevent rounding of the socket.

Usage recommendations

Inspect the hex socket and the Allen key before use to ensure a proper fit and to reduce the risk of rounding. Store the tool in a dry place and avoid exposure to corrosive environments to preserve the finish and strength of the key.