Which screw type are these bits suitable for?

These bits are designed for screws with a Pozidriv profile in size PZ 2.

What is the drive size and length of these bits?

The bits feature a standard 1/4" hexagon drive and have a total length of 25 mm.

What is the benefit of the TH torsion zone?

The torsion zone absorbs peak torque loads, preventing premature wear and extending bit life.

How many bits are included in this pack?

This pack contains 2 Wera 855/1 TH Pozidriv PZ 2 bits of 25 mm.

Are these bits insulated for electrical work?

No, these screwdriver bits are not VDE-certified or insulated.

WERA 855/1 TH SB SiS bit Pozidriv, PZ 2 x 25 mm (2 pcs) - 05073371001

Name: WERA 855/1 TH SB SiS bit Pozidriv, PZ 2 x 25 mm (2 pcs) - 05073371001
Brand: WERA
SKU: 02822787
Price: 6.64 EUR
Availability: InStock

Supplier number: WERA 05073371001 | EAN 4013288029645

6.64 tax incl.

€5.49 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 3 products in stock.

blister

Ordered before 20:00 - delivered tomorrow 23/10/2026
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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Reliable fastening with Wera

Practical benefits

Extended service life design: The specialized torsion zone absorbs damaging peak loads, helping you prevent premature wear during intense screwdriving tasks.
Secure screw head grip: The precise PZ2 profile fits tightly into screws so you avoid slipping and damaging delicate work surfaces.
Universal quarter inch fit: Equipped with a 1/4" hexagonal drive, you can insert these bits into all standard holders and power tools.

In a nutshell

The right choise for

Fasten screws with confidence and control using the Wera 855/1 th Pozidriv PZ2 bits. The built-in torsion zone effectively absorbs damaging torque peaks, preventing premature wear and extending bit life. Thanks to the precision PZ2 profile, the bit sits securely in screw heads to eliminate slipping and cam-out when assembling flat-pack furniture or driving screws into timber and drywall. Designed with a universal 1/4" hexagon drive and a compact 25 mm length, they fit seamlessly into all standard bit holders and power tools. This 2-piece set ensures you always have a dependable bit ready for the job.

Product information FAQ

€6.64

In stock - tax incl.

Key features according to our expert

Length: 25 mm
Drive profile size (bit): 2
Blade thickness: Not applicable
Type of drive profile (bit): Pozidriv
Connection size (bit): 1/4"
VDE approved: No
Bit profile: PZ2
Number per blister: 2

Scope of delivery

855/1 TH SB bits, PZ 2 x 25 mm, 2 pieces
2x 855/1 TH bits: PZ 2 x 25 mm

Product description

Premium bits with torsion zone into which kinetic energy is dissipated during peak loads. This significantly increases the product life. Extra-hard. 1/4" hexagonal, suitable for holding tools as per DIN ISO 1173-D 6.3.

Suitable for Pozidriv screws
Torsion zone for absorption of peak loads
Enhanced service life
Particularly hard for semi-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, extra-hard

Features and benefits

TH-Bits are hard 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.

All Features

Length: 25 mm
Drive profile size (bit): 2
Blade thickness: Not applicable
Type of drive profile (bit): Pozidriv
Connection size (bit): 1/4"
Vde approved: No
Bit profile: PZ2
Number per blister: 2

Brand WERA
02822787
EAN 4013288029645
Supplier number WERA 05073371001

Frequently asked questions about this product

Answered by specialists

Which screw type are these bits suitable for?: These bits are designed for screws with a Pozidriv profile in size PZ 2.
What is the drive size and length of these bits?: The bits feature a standard 1/4" hexagon drive and have a total length of 25 mm.
What is the benefit of the TH torsion zone?: The torsion zone absorbs peak torque loads, preventing premature wear and extending bit life.
How many bits are included in this pack?: This pack contains 2 Wera 855/1 TH Pozidriv PZ 2 bits of 25 mm.
Are these bits insulated for electrical work?: No, these screwdriver bits are not VDE-certified or insulated.

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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03 74 000 41 [email protected]