Screwdriver Insert Bit Wera 3867/1 TS TX 20, 25 mm, Stainless Steel

Wera 3867/1 TS TX 20 is a 25 mm stainless steel screwdriver insert bit designed for Torx security (TS) TX 20 fasteners. The bit has a 6.3 mm (1/4") hex shank compatible with standard 1/4" bit holders and ratchets, and its stainless-steel construction provides improved corrosion resistance for use in workshops, maintenance and repair environments.

Advantages

The stainless-steel material increases resistance to rust and makes the bit suitable for environments where moisture or corrosive agents are present. Its 25 mm length offers compact access in confined spaces while maintaining sufficient engagement depth with Torx security TX 20 fasteners. The 6.3 mm (1/4") hex shank conforms to DIN 3126-C 6,3 and ISO standards, ensuring compatibility with common bit holders and quick-change systems.

Suitable for

• Assembly and disassembly of Torx security (TS) TX 20 fasteners
• Maintenance and repair work in workshops and on-site service
• Use with 1/4" bit holders, ratchets and quick-change adapters

Key specifications

• Brand: Wera
• Model / MPN: 05 071034 001 (3867/1 TS)
• Type: Torx security (TS) insert bit, TX 20
• Length: 25 mm
• Shank: 6.3 mm (1/4") hex, DIN 3126-C 6,3 / ISO
• Material: Stainless steel
• EAN: 2050000432613

How to use

Insert the Wera 3867/1 TS TX 20 bit into a compatible 1/4" bit holder, ratchet or quick-change adapter. Align the bit with the Torx security TX 20 screw recess, apply steady axial pressure and turn the driver to tighten or loosen the fastener. For powered drivers, ensure torque settings appropriate for the fastener and application to avoid cam-out or damage.

Recommendations

Use the stainless-steel Wera bit where corrosion resistance is required; store dry after use to prolong service life. Match the TX 20 security bit to corresponding fasteners and avoid excessive torque beyond the screw or bit specification.