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WERA 851/4 IMP DC SB SiS bit Phillips, PH 2 x 50 mm - 05073956001

Supplier number: WERA 05073956001 | EAN 4013288158482
11.97 tax incl.
€9.89 excl. VAT (incl. all environmental contributions)
On stock - immediately available | we have 1 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

Reliable screwdriving with Wera

Practical benefits
  • Prevents slipping and cam-out: The rough diamond coating creates superior friction to keep you firmly in the screw head.
  • Built for impact drivers: Engineered with Impaktor technology to deliver extended service life during tough, high-torque applications.
  • Fast profile identification: The Take it easy colour-coding system helps you quickly grab the right size bit.

In a nutshell

The right choise for

Tackle heavy-duty fastening jobs with absolute confidence using the Wera 851/4 imp DC sb Impaktor bit. Engineered with Impaktor technology, it effortlessly withstands the extreme stress of impact drivers to deliver an extended service life. The rough diamond-particle coating bites firmly into the fastener, significantly reducing cam-out and preventing stripped screw heads. Thanks to the Take it easy colour-coding system, you can spot this 50 mm PH2 bit at a glance in your tool kit. Featuring a standard 1/4" hexagon drive, it fits smoothly into your regular holders and power tools for fast, secure screwdriving.



€11.97
In stock - tax incl.

Product information

Key features according to our expert

  • Length: 50 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

  • 851/4 IMP DC SB Impaktor bits, PH 2 x 50 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-F 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
  • 1/4" hexagon drive (Wera connecting series 4)

Application

  • Phillips screws

Drive

  • 1/4" hexagon, suitable for DIN ISO 1173-F 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

  • 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.
  • Wera Impaktor bits and holders can also be used individually. However, the best results are achieved with the combination of the two tools that are optimally matched to one another.
  • 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
50 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 4013288158482
  • Supplier number WERA 05073956001

Frequently asked questions about this product

Answered by specialists
Is this bit suitable for use with an impact driver?
Yes, Wera Impaktor technology is specifically engineered to withstand the heavy loads of impact drivers.
What is the benefit of the diamond coating on the tip?
The diamond coating grips the screw head securely, effectively preventing slipping and cam-out.
What drive connection does this bit feature?
It features a standard 1/4" hexagon drive, fitting conventional bit holders and drills or impact drivers.
What type of screws is this bit designed for?
This bit is designed for Phillips cross-head screws with a PH2 profile.
What is the total length of this Impaktor bit?
The total overall length of this bit is 50 mm.
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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