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.
853/1 TZ ACR® bits
- For Phillips screws
- Tough for hard materials
- Torsion design against premature wear
- ACR® (anti cam-out feature) to prevent any slipping out of the screw head
- 1/4" hexagon drive (Wera connecting series 1)
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ACR® Bits
TZ-Bits
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 bits
Tough Wera bits prevent the tip from breaking prematurely. Z-bits usually are the bit for universal screwdriving applications.
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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®). Tough viscous, for universal use; ¼" hexagon, suitable for holders as per DIN ISO 1173-D 6.3.
