Screwdriver Bit Wera 860/1 XZN Vielzahn

Wera 860/1 XZN Vielzahn screwdriver bit for internal XZN (Vielzahn) screws. Manufactured for general-purpose use, the bit combines toughness and hardness and fits 1/4" hex holders compliant with DIN ISO 1173-D 6,3. The 5 mm hex head and 25 mm length provide a compact solution for precision fastening tasks.

Advantages

The bit is made from high-quality materials to ensure durable performance and a consistent fit with XZN screws. Its zähhart (tough-hard) material properties resist wear and deformation under repeated use. The 1/4" hex shank allows compatibility with standard bit holders and quick-change systems, making it suitable for both professional and DIY toolkits.

Suitable for

• Assembly and disassembly of internal Vielzahn/XZN screws
• Precision fastening in machinery, electronics, and automotive applications
• General maintenance and repair tasks requiring a 5 mm XZN bit

Key specifications

• Brand: Wera
• Model: 860/1 XZN Vielzahn
• MPN: 05 066155 001
• EAN: 2050000315480
• Bit type: Internal Vielzahn (XZN)
• Shank: 1/4" hex (DIN ISO 1173-D 6,3)
• Head size: 5 mm
• Length: 25 mm

How to use

Insert the 1/4" hex shank into a compatible bit holder or quick-change chuck. Align the XZN tip with the internal Vielzahn screw and apply steady torque while keeping the bit straight to avoid cam-out or damage. For powered drivers, use controlled speed and torque settings appropriate for the screw and material.

Recommendations

Use the bit with holders complying with DIN ISO 1173-D 6,3 and select appropriate torque settings for the screw size and workpiece material to prolong bit life and ensure secure fastening.