Screwdriver Bit Wiha 37225

Wiha 37225 slimBit electric hex bit is a compact, flexible and mobile hex screwdriver bit designed for safe work on live parts up to 1,000 V AC. With a 4 mm metric hex profile and a length of 75 mm, this slim electric bit provides protected access to deep-set screws while remaining lightweight and easy to handle.

Advantages

The slimBit design enables access to recessed fastening points and reduces the need for multiple tools thanks to an interchangeable blade system. Each bit is individually tested at 10,000 V AC and approved for use on live parts up to 1,000 V AC, and is manufactured in accordance with IEC 60900 to ensure electrical safety.

Suitable for

• Work on live electrical parts up to 1,000 V AC
• Accessing deep-set or recessed hex screws
• Use with slimVario® and slimTorque VDE bit holders (for 6 mm slimBits note)
• Professional electrical maintenance and installation tasks

Key specifications

• Brand: Wiha
• Model / MPN: 37225
• Type: slimBit electric, hex
• Hex size: 4 mm
• Length: 75 mm
• Weight: 9 g
• Standards: Manufactured according to IEC 60900
• Electrical testing: Individually tested at 10,000 V AC; approved for use up to 1,000 V AC

How to use

Insert the 4 mm hex slimBit into a compatible bit holder or driver. For 6 mm slimBits use only the slimVario® bit holder or slimTorque VDE bit holder when torque control or the VDE torque system is required. Use the bit to reach and turn recessed hex screws while observing standard safety procedures for electrical work. Verify the bit and holder are properly seated before applying torque.

Usage recommendations

Use the Wiha 37225 only for electrical work within its rated voltage. Regularly inspect the bit for wear or damage and replace if the insulating coating or shape is compromised. Follow IEC 60900 and local safety regulations when working on live parts.