Chave de fendas de caixa Wiha 42449

The Wiha 42449 nut driver combines a durable chromium-vanadium steel blade with an ergonomically shaped plastic handle to deliver precise, controlled fastening of nuts. The blade length is 6 cm and the handle is 10 cm long with a 1.8 cm diameter, giving a balanced feel that supports both sustained use and delicate adjustments. The tool is intended for accurate nut driving tasks in professional and DIY settings.

Advantages

The chromium-vanadium steel blade provides strength and wear resistance while the long handle offers improved reach and lever control. The ergonomically designed black-and-red plastic handle ensures a comfortable grip and better torque transfer. A smooth rotating cap aids in sensitive, quick turning and helps with precise positioning.

Suitable for

Key specifications

How to use

Select a nut driver of the correct size for the nut to avoid rounding. Place the blade squarely into the nut, hold the handle firmly and use the rotating cap for fine, controlled turns. Apply steady pressure while turning to ensure secure fastening; reverse the motion to loosen. For repetitive tasks, use the handle’s length to maintain comfortable leverage and precise control.

Recommendations

Inspect the blade and handle before use; replace the tool if the blade shows excessive wear. Use the Wiha 42449 nut driver on appropriately sized nuts only and avoid excessive force that could damage fasteners or the workpiece.