What type of screws is this bit designed for?

This bit is designed for PZ3 size Pozidriv screws.

What drive connection does this bit have?

The bit features a standard 1/4" hexagon drive conforming to DIN ISO 1173-D 6.3.

What is the purpose of the TH torsion zone?

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

What is the length of this bit?

The total length of this screwdriver bit is 25 mm.

How many bits are included in this pack?

This pack includes 2 pieces of the Wera 855/1 TH Pozidriv bits.

WERA 855/1 TH SB SiS bit Pozidriv, PZ 3 x 25 mm (2 pcs) - 05073372001

Name: WERA 855/1 TH SB SiS bit Pozidriv, PZ 3 x 25 mm (2 pcs) - 05073372001
Brand: WERA
SKU: 02822788
Price: 6.64 EUR
Availability: InStock

Supplier number: WERA 05073372001 | EAN 4013288029652

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 21/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

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Reliable screwdriving with Wera bits

Practical benefits

Absorbs peak torque loads: The integrated torsion zone cushions kinetic energy during load peaks to prevent premature bit wear.
Extra-hard material design: Engineered with extra hardness, you get long-lasting durability when driving screws into semi-hard materials.
Universal hexagonal drive: Featuring a standard 1/4" hex drive, you can easily insert these PZ3 bits into compatible holders.

In a nutshell

The right choise for

Drive large screws with confidence and control using Wera 855/1 th Pozidriv bits. The integrated torsion zone cushions kinetic energy during high torque peaks, effectively preventing premature bit wear and breakage. Engineered with an extra-hard design, these bits deliver outstanding durability when driving PZ3 fasteners into semi-hard materials and timber construction. With a standard 1/4" hexagon drive conforming to din iso 1173-D 6.3, these compact 25 mm bits fit seamlessly into any standard bit holder. Supplied as a convenient 2-piece set, they provide an exact profile fit to keep your fastening work fast, accurate, and free from cam-out.

Product information FAQ

€6.64

In stock - tax incl.

Key features according to our expert

Length: 25 mm
Drive profile size (bit): 3
Blade thickness: Not applicable
Type of drive profile (bit): Pozidriv
Connection size (bit): 1/4"
VDE approved: No
Bit profile: PZ3
Number per blister: 2

Scope of delivery

855/1 TH SB bits, PZ 3 x 25 mm, 2 pieces
2x 855/1 TH bits: PZ 3 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 of the bits
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): 3
Blade thickness: Not applicable
Type of drive profile (bit): Pozidriv
Connection size (bit): 1/4"
Vde approved: No
Bit profile: PZ3
Number per blister: 2

Brand WERA
02822788
EAN 4013288029652
Supplier number WERA 05073372001

Frequently asked questions about this product

Answered by specialists

What type of screws is this bit designed for?: This bit is designed for PZ3 size Pozidriv screws.
What drive connection does this bit have?: The bit features a standard 1/4" hexagon drive conforming to DIN ISO 1173-D 6.3.
What is the purpose of the TH torsion zone?: The torsion zone absorbs peak loads, preventing premature wear and extending bit service life.
What is the length of this bit?: The total length of this screwdriver bit is 25 mm.
How many bits are included in this pack?: This pack includes 2 pieces of the Wera 855/1 TH Pozidriv bits.

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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0800 0226 945 [email protected]