ACR® stands for “anti-cam-out ribs”. ACR® bits have ribs at the drive tip that protect against slipping out of the screw head. It is recommended that ACR® bits are matched with ribbed ACR® screws for maximum effect. ACR® is a registered trademark of Phillips Screw Company.
- For Phillips screws
- ACR® (anti cam-out feature) to prevent any slipping out of the screw head
- Tough for hard materials
- 1/4" hexagon drive (Wera connecting series 4)
ACR® Bits

Tough bits
Tough Wera bits prevent the tip from breaking prematurely. Z-bits usually are the bit for universal screwdriving applications.

Product details
Facts and figures
Part number
05346286001
Tip size
PH 2
Blade length mm
50
Blade length (inches) inch
2"
Blade diameter mm
5.2
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Product description
High quality bits with Torsion zone - where kinetic energy is diverted from peak loads. This greatly extends the product service life. Come with rough ribs (anti cam-out feature, ACR®) to prevent any slipping out of the screw head. Tough viscous for universal use. ¼" hexagon, suitable for holders as per DIN ISO 1173-F 6.3.




