Screwdriver Bit Wera 860/1 XZN Vielzahn

The Wera 860/1 XZN Vielzahn screwdriver bit is a high-quality internal multi-tooth (XZN) bit designed for precision fastening. Made from tough, wear-resistant steel, this 25 mm long bit with a 1/4" hex shank and a 10 mm working size fits holders conforming to DIN ISO 1173-D 6.3 and is intended for universal use in repair, maintenance and assembly tasks.

Advantages

This Wera bit offers durable, hard-wearing performance and precise fit to internal Vielzahn (XZN) fasteners, reducing cam-out and wear. The 1/4" hex drive ensures compatibility with standard bit holders and quick-change systems, while the 25 mm length provides a compact reach suitable for confined spaces.

Suitable for

• Assembly and disassembly of XZN/Vielzahn screws
• Automotive repair and component servicing
• Industrial maintenance and machinery work
• General workshop and DIY tasks requiring internal multi-tooth bits

Key specifications

• Brand: Wera
• Model: 860/1 XZN Vielzahn
• Length: 25 mm
• Hex shank: 1/4" (DIN ISO 1173-D 6.3 compatible)
• Working size: 10 mm
• Material: hardened, wear-resistant steel
• MPN: 05 066170 001
• EAN: 2050000406652

How to use

Insert the 1/4" hex shank of the bit into a compatible bit holder or driver until it locks. Select the correct 10 mm XZN Vielzahn bit for the screw head, align the bit with the fastener, and apply steady axial pressure while turning the driver. Use controlled torque to avoid damaging the screw or bit; for power tools, set an appropriate torque or use a torque-limited driver.

Recommendations

For best results, inspect the bit and the fastener for wear before use. Replace the bit if deformation or rounding is visible. Use the Wera 860/1 XZN Vielzahn bit with compatible 1/4" holders and appropriate torque settings to prolong bit life and ensure secure fastening.