Wera 3855/4 bitek

The Wera 3855/4 is a single-piece Pozidriv (PZ 3) screwdriver bit made from stainless steel, with a length of 89 mm and a 1/4" (6.3 mm) hexagonal shank compatible with holders conforming to DIN ISO 1173-F 6.3. Designed for corrosion resistance and precise fastening, this bit suits tasks that require durable, rust-resistant tips.

Advantages

Constructed from stainless steel to reduce the formation of surface rust, the Wera 3855/4 offers long service life and consistent fit in Pozidriv screw heads. The 1/4" hex shank ensures compatibility with standard bit holders and quick-change systems, while the single-piece design provides stability and accurate torque transfer.

Suitable for

• Assembly and maintenance of equipment using Pozidriv screws (PZ 3)
• Applications where corrosion resistance is required
• Use with 1/4" hex bit holders and quick-change chucks

Key specifications

• Brand: Wera
• Model: 3855/4
• Tip type: Pozidriv PZ 3
• Material: Stainless steel
• Length: 89 mm
• Shank: 1/4" (6.3 mm) hexagon, DIN ISO 1173-F 6.3
• Manufacturer part number (MPN): 05071086001
• EAN: 2050000432729

How to use

Insert the 1/4" hex shank of the Wera 3855/4 into a compatible bit holder or quick-change chuck until it locks. Align the Pozidriv tip with the corresponding PZ 3 screw head and apply steady pressure while turning the driver. Use appropriate torque settings on powered drivers to avoid cam-out or screw head damage. After use, store the bit dry to maintain its corrosion-resistant properties.

Recommendations

For best results, use the bit with holders conforming to DIN ISO 1173-F 6.3 and select a driver or torque setting suitable for Pozidriv fasteners. Inspect the tip periodically for wear and replace when shape or fit degrades to preserve screw integrity.