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wera_05073916001

WERA 851/1 IMP DC SB SiS bit Phillips, PH 2 x 25 mm - 05073916001

Supplier number: WERA 05073916001 | EAN 4013288158369
7.93 tax incl.
€6.55 excl. VAT (incl. all environmental contributions)
On stock - immediately available | we have 5 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

Reliable fastening with Wera Impaktor

Practical benefits
  • Prevents slipping and cam-out: The diamond coating bites into the screw recess, ensuring you prevent cam-out and reduce required contact pressure.
  • Built for impact drivers: Thanks to Impaktor technology, you achieve high durability when tackling extreme torque peaks from conventional impact drivers.
  • Fast profile identification: With clear colour coding and size stamping, you instantly locate the correct PH2 bit in your kit.

In a nutshell

The right choise for

Tackle demanding fastening jobs with complete control using the Wera 851/1 imp DC sb SiS Impaktor Phillips bit. Engineered with Impaktor technology, it reliably withstands extreme torque peaks from cordless impact drivers, preventing premature breakage and extending service life. The diamond-particle coating bites firmly into the screw recess to reduce cam-out and slippage, significantly lowering the contact pressure required during heavy-duty fastening in timber or drywall framing. Featuring a standard 1/4" hexagon drive, a 25 mm length, and distinct PH2 profile identification, this bit delivers the strength and precision you need on every project.



€7.93
In stock - tax incl.

Product information

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
  • Number per blister: 1

Scope of delivery

  • 851/1 IMP DC SB Impaktor bits, PH 2 x 25 mm

Product description

High quality bits for Phillips screws. The Impaktor technology offers an above-average service life even under extreme circumstances. Enhanced friction resistance, thanks to the rough diamond-particle coating on the bit tip, prevents any slipping out of the screw head. Particularly suitable for use with customary impact drivers. 1/4" hexagon, suitable for holders as per DIN ISO 1173-D 6.3.

  • For Phillips screws
  • Impaktor technology for above-average service life
  • Particularly suitable for use with customary impact drivers
  • Diamond coating for a secure fit in the screw, literally bites into the screwhead to prevent cam-out
  • Take it easy tool finder: colour coding according to profile and size

Application

  • Phillips screws

Drive

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

Design

  • The Impaktor technology ensures an above-average service life even under extreme conditions thanks to a best-possible utilisation of the material properties and optimally designed geometry, particularly suitable for use with conventional impact drivers, the rough diamond coating reduces the danger of any slipping out of the screw head due to the enhanced frictional resistance. Take it easy tool finder: Output colour coding (red = Phillips) and large stamp to enable the desired bit to be easily located.

Features and benefits

  • Impaktor technology for an above-average service life even under extreme demands
  • For an above-average service life. Maximum utilisation of the material properties, a very special geometry - designed particularly to meet the extreme demands - as well a specific manufacturing process mean that Wera Impaktor tools have an above-average service life. Another product advantage is the coating of the Impaktor bits with minute diamond particles. These diamond particles reduce the cam-out effects - particularly high in power tool applications - which can lead to a slipping out of the screw head. The diamond particles literally bite themselves into the screw recess. This means that less contact pressure is required, something that greatly delays fatigue setting-in in power tool screwdriving jobs.
  • For use with impact screwdrivers. Improve productivity when screwdriving with power tools.
  • Maximum utilisation of the material properties, a very special geometry - designed particularly to meet the extreme demands - as well a specific manufacturing process mean that Wera Impaktor tools have an above-average service life.
  • Particularly high strength. Reduce the danger of premature bit breakage.
  • Torsion zone specially designed to absorb such forces and thereby protect the bit tip.
  • These diamond particles reduce the cam-out effects - particularly high in power tool applications - which can lead to a slipping out of the screw head. The diamond particles literally bite themselves into the screw recess. This means that less contact pressure is required, something that greatly delays fatigue setting-in in power tool screwdriving jobs.
  • Take it easy tool finder with colour coding according to profiles and size stamp - for simple and rapid accessing of the required tool.

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
Number per blister
1
  • Brand WERA
  • EAN 4013288158369
  • Supplier number WERA 05073916001

Frequently asked questions about this product

Answered by specialists
Which type of screw is this bit designed for?
This bit is designed for Phillips screws with a PH 2 profile.
Is this bit suitable for use with impact drivers?
Yes, thanks to Impaktor technology, it easily handles the high forces of impact drivers.
What is the benefit of the diamond coating?
The diamond coating bites into the screw head to prevent slipping and cam-out.
What drive size and length does this bit have?
It features a standard 1/4" hexagon drive and has an overall length of 25 mm.
Is this bit insulated for electrical work?
No, this bit is not VDE certified and is not insulated for live electrical applications.
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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