What type of screws is this bit designed for?

This bit is designed for Phillips cross-recess screws with a PH 2 profile.

What drive connection does this Wera bit have?

It features a standard 1/4" hexagon drive according to DIN ISO 1173-D 6.3.

What is the purpose of the TZ torsion zone?

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

What is the overall length of this bit?

This screwdriver bit has an overall length of 25 mm.

Is this screwdriver bit VDE certified?

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

WERA 851/1 TZ PH bit Phillips, PH 2 x 25 mm - 05056510001

Name: WERA 851/1 TZ PH bit Phillips, PH 2 x 25 mm - 05056510001
Brand: WERA
SKU: 87010002
Price: 2.58 EUR
Availability: InStock

Supplier number: WERA 05056510001 | EAN 4013288013613

2.58 tax incl.

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

On stock - immediately available

Ordered before 20:00 - delivered as of 06/10/2026
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 screwdriving with Wera

Practical benefits

Extended life torsion zone: The specialized torsion zone cushions torque peaks effectively so you prevent premature wear on the bit tip.
Tough design for materials: Engineered for hard joints, this ductile profile allows you to drive screws into rigid workpieces without breakage.
Universal hexagonal drive fit: With the standard 1/4" hexagon connection, you fit the bit securely into standard machine holders.

In a nutshell

The right choise for

With the Wera 851/1 tz ph screwdriver bit, you handle demanding fastening tasks with Phillips screws quickly and reliably. This 25 mm bit with a PH2 profile features a tough, ductile design and an integrated torsion zone. Torque peaks are cushioned effectively, preventing premature wear and bit breakage during heavy-duty applications in wood or drywall construction. Thanks to the universal 1/4" hexagon drive, it fits into standard bit holders, ensuring maximum control, reduced cam-out, and dependable performance on every job.

Product information FAQ

€2.58

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): Phillips
Connection size (bit): 1/4"
VDE approved: No
Bit profile: PH2

Scope of delivery

851/1 TZ bits, PH 2 x 25 mm

Product description

Premium bits for Phillips screws. Torque peaks are cushioned by the torsion shape. Premature wear is avoided and the service life of the bit is increased. Tough, for universal use. 1/4" hexagonal, suitable for holding tools as per DIN ISO 1173-D 6.3.

For Phillips 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

Phillips 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): 2
Blade thickness: Not applicable
Type of drive profile (bit): Phillips
Connection size (bit): 1/4"
Vde approved: No
Bit profile: PH2
Tip size: PH 2

Brand WERA
87010002
EAN 4013288013613
Supplier number WERA 05056510001

Frequently asked questions about this product

Answered by specialists

What type of screws is this bit designed for?: This bit is designed for Phillips cross-recess screws with a PH 2 profile.
What drive connection does this Wera bit have?: It features a standard 1/4" hexagon drive according to DIN ISO 1173-D 6.3.
What is the purpose of the TZ torsion zone?: The torsion zone cushions peak torque loads to prevent premature wear and breakage.
What is the overall length of this bit?: This screwdriver bit has an overall length of 25 mm.
Is this screwdriver bit VDE certified?: No, this bit is not VDE certified 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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