Hex Key Proline Tools 48487 4 mm 1 pc(s)

The Proline Tools 48487 hex key is a 4 mm, quenched and tempered tool with a polished chromium finish. Supplied as a single piece, it is intended for precision work with metric hex fasteners and fits standard socket sizes used in many assembly and maintenance tasks.

Advantages

The hardened and tempered steel construction provides increased strength and wear resistance, while the polished chromium finish reduces corrosion and allows smooth insertion into fasteners. Its compact single-piece design makes it easy to store and carry in a toolbox or pouch.

Suitable for

• Precision assembly and maintenance of machinery and equipment
• Automotive and bicycle repairs that use metric hex fasteners
• General household repairs and furniture assembly

Key specifications

• Brand: Proline
• Model / MPN: 48487
• EAN: 5903755484871
• Size: 4 mm
• Quantity: 1 piece
• Material treatment: quenched and tempered
• Finish: polished chromium

How to use

Select the 4 mm hex key for the corresponding metric hex fastener. Insert the short or long arm into the fastener head depending on required torque and reach. Apply steady torque without excessive force to avoid rounding the fastener. After use, wipe clean and store in a dry place to preserve the chromium finish.

Usage recommendations

For best results, use the hex key with appropriately sized fasteners and avoid using it as a lever or pry bar. Periodically inspect for wear or deformation and replace if the hex profile shows rounding.