Wiha 04198 ruuvauskärki

The Wiha 04198 screwdriver bit is a professional hexagon 1/4" bit designed for precise fastening tasks in trade and industry. Constructed from high-grade chrome-vanadium steel and through-hardened, this 50 mm bit combines robustness with reliable rotation characteristics for stable fastening. Its DIN 3126 / ISO 1173 style E 6.3 drive and compact 17 g weight make it suitable for use with standard 1/4" bit holders and screwdrivers.

Advantages

The bit offers durable performance due to through-hardened chrome-vanadium steel and precise machining. Contrasting laser marking enables easy and quick recognition of profile size, reducing time spent selecting tools. Optimised rotation characteristics provide stable transfer of torque for consistent fastening results.

Suitable for

Key specifications

How to use

Insert the 1/4" hex bit into a compatible bit holder or screwdriver until it seats securely. Select the correct bit size by checking the contrasting laser marking. Apply steady pressure and appropriate torque while driving screws; avoid excessive side loading to preserve bit life. After use, store the bit in a holder or toolbox to prevent corrosion and damage.

Recommendations

For prolonged service life, match the bit size exactly to the screw profile, avoid applying impact or excessive lateral force, and keep the bit clean and dry when not in use.