Which screw type is this bit designed for?

This bit is designed for screws with a Pozidriv PZ1 drive profile.

What drive connection does this bit have?

It features a standard 1/4" hexagon drive, suitable for holders complying with DIN ISO 1173-D 6.3.

What is the purpose of the TZ torsion zone?

The torsion zone absorbs peak torque loads to prevent premature wear and tip breakage.

What are the exact dimensions of this bit?

The bit has a PZ1 tip size and an overall length of 25 mm.

Is this bit VDE-certified for electrical work?

No, this bit is not VDE-approved and is not insulated for live electrical work.

WERA 855/1 TZ PZ bit Pozidriv, PZ 1 x 25 mm - 05056810001

Name: WERA 855/1 TZ PZ bit Pozidriv, PZ 1 x 25 mm - 05056810001
Brand: WERA
SKU: 87010020
Price: 2.58 EUR
Availability: InStock

Supplier number: WERA 05056810001 | EAN 4013288014801

2.58 tax incl.

€2.13 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Ordered before 20:00 - delivered as of 16/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

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Dependable fastening with Wera

Practical benefits

Extended durability under load: The built-in torsion zone absorbs peak torque stresses, ensuring you prevent premature wear and sudden breakage.
Exact Pozidriv screw fit: Designed with a precise PZ1 tip, you achieve a firm grip that minimizes slippage during demanding driving tasks.
Standard universal hex drive: The 1/4" hexagonal connection allows you to use this tough-absorbing bit across standard tool holders.

In a nutshell

The right choise for

With the Wera 855/1 tz pz bit, you handle furniture assembly, woodworking, and routine repair tasks with precision and confidence. The precisely machined PZ1 tip ensures a firm seat in Pozidriv screw heads, effectively eliminating cam-out and slippage. An integrated torsion zone absorbs peak torque loads during heavy fastening, significantly extending tool life and preventing premature breakage. Featuring a standard 1/4" hexagon drive and a compact 25 mm length, this tough bit fits seamlessly into standard bit holders for hand screwdrivers or power drills, giving you dependable control on every fastening job.

Product information FAQ

€2.58

In stock - tax incl.

Key features according to our expert

Length: 25 mm
Drive profile size (bit): 1
Blade thickness: Not applicable
Type of drive profile (bit): Pozidriv
Connection size (bit): 1/4"
VDE approved: No
Bit profile: PZ1

Scope of delivery

855/1 TZ bits, PZ 1 x 25 mm

Product description

Bits for Pozidriv* screws with Torsion zone to combat premature wear. Tough viscous for universal use. 1/4" hexagon, suitable for holders as per DIN ISO 1173-D 6.3.
* Pozidriv = registered trademark of European Industrial Service Ltd.

Suitable for Pozidriv screws
Torsion zone for absorption of peak loads
Enhanced service life of the bits
Tough for hard materials
1/4" hexagon drive (Wera connecting series 1)

Application

Suitable for Pozidriv screws

Drive

1/4" hexagon, suitable for DIN ISO 1173-D 6.3 bit holders

Design

Torsion-style design to reduce premature wear, tough, for universal use

Features and benefits

TZ-Bits are tough bits with a torsion zone. Torsion bits absorb the damaging peak torque loads in the torsion zone. This prevents premature wear and enhances the service life of the bits.
Tough Wera bits prevent the tip from breaking prematurely. Z-bits usually are the bit for universal screwdriving applications.

All Features

Length: 25 mm
Drive profile size (bit): 1
Blade thickness: Not applicable
Type of drive profile (bit): Pozidriv
Connection size (bit): 1/4"
Vde approved: No
Bit profile: PZ1
Tip size: PZ 1

Brand WERA
87010020
EAN 4013288014801
Supplier number WERA 05056810001

Frequently asked questions about this product

Answered by specialists

Which screw type is this bit designed for?: This bit is designed for screws with a Pozidriv PZ1 drive profile.
What drive connection does this bit have?: It features a standard 1/4" hexagon drive, suitable for holders complying with DIN ISO 1173-D 6.3.
What is the purpose of the TZ torsion zone?: The torsion zone absorbs peak torque loads to prevent premature wear and tip breakage.
What are the exact dimensions of this bit?: The bit has a PZ1 tip size and an overall length of 25 mm.
Is this bit VDE-certified for electrical work?: No, this bit is not VDE-approved and is not insulated for live electrical work.

Questions about this product?

Our product specialists are happy to help with any questions about this range. Call, email or chat with us!

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