Hex key Proline 7 mm — Proline Tools 48480, single hex key

Proline 7 mm hex key is a single solid tool designed for manual turning of hex-head fasteners and bolts. Made from quenched and tempered steel with a polished chromium finish, this compact one-piece hex key offers consistent engagement with 7 mm hex drives and is suitable for workshop, maintenance and assembly tasks where a reliable manual hex driver is required.

Advantages

The hardened and tempered steel construction provides high strength and wear resistance, while the polished chromium finish resists corrosion and facilitates cleaning. Its one-piece design eliminates joints or moving parts, ensuring durability and straightforward handling. The 7 mm size delivers a secure fit for compatible screws and fittings, reducing the risk of rounding fastener heads during manual operation.

Suitable for

• Assembling and disassembling machinery and equipment with 7 mm hex fasteners
• Workshop maintenance and repair tasks
• Furniture and fixture installation requiring a 7 mm hex drive
• General DIY projects that use metric hex screws

Key specifications

• Size: 7 mm hex key for metric fasteners
• Material: quenched and tempered steel
• Finish: polished chromium
• Design: single-piece, manual hex key
• Use type: hand tool for hex-head bolts and screws

How to use

Insert the 7 mm end of the hex key into the corresponding hex socket of the fastener, ensuring full seating to maximize contact area. Apply steady manual force to turn the fastener clockwise to tighten or counterclockwise to loosen. For limited access or higher torque requirements, use the longer arm for leverage while maintaining alignment to avoid slippage. After use, wipe the tool clean and store it in a dry location to preserve the polished chromium finish.

Usage recommendations

Use the Proline 7 mm hex key at appropriate torque levels for hand tools and avoid excessive force that could deform fasteners. Keep the tool clean and dry to maintain corrosion resistance; inspect the key and the fastener heads regularly for wear before applying high torque.