855/4 BTH bits, PZ 1 x 50 mm
Bits for Pozidriv Screws
EAN:
4013288034335
Size:
50x7x6 mm
Part number:
05059910001
Weight:
10 g
Article number:
855/4 BTH PZ
Country of origin:
CZ
Customs tariff
number:
82079030
Suitable for Pozidriv
Particularly hard for semi-hard materials
BiTorsion zone to absorb peak loads
1/4" hexagon drive (Wera connecting series 4)
Take it easy tool finder: colour coding according to profile and size
Torsion bits for Pozidriv* screws with elastic Torsion zone – where kinetic energy is diverted from peak loads – and softer BiTorsion zone to prevent
the bit tip from twisting under peak loads. This greatly extends the product service life. This provides the best possible durability together with the
matching holder. Extra-hard; ¼” hexagon, suitable for holders as per DIN ISO 1173-F 6.3. * Pozidriv = registered trademark of European Industrial
Service Ltd.
Web link
http://products.wera.de/en/bits_holders_adaptors_the_range_of_bits_bits_for_pozidriv_screws_855_4_bth_pz.html
Wera - 855/4 BTH PZ
05059910001 - 4013288034335
Wera Werkzeuge GmbH
02.08.2018 - 1 / 3
Korzerter Straße 21-25
D-42349 Wuppertal
Tel: +49 (0)2 02 / 40 45-0
E-Mail: info@wera.de
855/4 BTH bits, PZ 1 x 50 mm
Bits for Pozidriv Screws
BiTorsion Bits
Two cushioning torsion zones
BiTorsion phase 1
BiTorsion phase 2
Peak forces that occur in power
tool applications often result in
premature wear of bits or damage
to the screw head. This usually
occurs during initial power-up and
the when the screw comes to a
standstill. Screwdriving could
become more productive and safer
if these peak loads could be
minimised. The Wera BiTorsion
system prevents premature wear.
The service life of the tool is
extended and the productivity of
power
tool
applications
significantly increased.
The effectiveness of the BiTorsion
system comes from a combination
of two shock-absorbing spring
elements. Both bits as well as
holders have a cushioning torsion
zone that diverts the kinetic energy
away from the drive tip during
peak loads.
The torsion spring integrated into
the unique BiTorsion holder
absorbs lower levels of peak loads
(Phase 1). Any overloading of this
spring is effectively prevented by
means
of
a
supporting
mechanism.
Higher peak loads are minimised
through the torsion effect of the bit
shaft (Phase 2). This effect is
achieved with a specific heat
treatment after the hardening
process of the bits. This reduces
the hardness of the shaft in
comparison to the drive tip.
Above-average service life
Prevents premature wear
“Take it easy” tool finder
BTH- and BTZ-Bits
Even the service life of
conventional bits is enhanced with
the use of the BiTorsion holder and
the BiTorsion bit also functions in a
normal holder.
The optimally coordinated features
of the torsion zones on the bit and
holder permit a phased yield when
under strain. The two-phase
system prevents premature wear.
Moreover, a long tool service life is
also ensured by the hardness of
the bits that matches the
respective application.
“Take it easy” tool finder with
colour coding according to profiles
and size stamp – for simple and
rapid accessing of the required
tool.
BTH- (extra-hard) and BTZ- (tough)
bits have an additional tempered
BiTorsion zone, which reduces the
hardness of the shaft by about 20
% in comparison to the drive
tip.This means that the peak loads
that cause bit breakage and
premature wear are absorbed in
this zone – something which
enhances the service life of the
bits.
Web link
http://products.wera.de/en/bits_holders_adaptors_the_range_of_bits_bits_for_pozidriv_screws_855_4_bth_pz.html
Wera - 855/4 BTH PZ
05059910001 - 4013288034335
Wera Werkzeuge GmbH
02.08.2018 - 2 / 3
Korzerter Straße 21-25
D-42349 Wuppertal
Tel: +49 (0)2 02 / 40 45-0
E-Mail: info@wera.de
855/4 BTH bits, PZ 1 x 50 mm
Bits for Pozidriv Screws
Further versions in this product family:
mm
inch
05059910001
PZ 1
50
2
05059912001
PZ 2
50
2
05059914001
PZ 3
50
2
Web link
http://products.wera.de/en/bits_holders_adaptors_the_range_of_bits_bits_for_pozidriv_screws_855_4_bth_pz.html
Wera - 855/4 BTH PZ
05059910001 - 4013288034335
Wera Werkzeuge GmbH
02.08.2018 - 3 / 3
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Korzerter Straße 21-25
D-42349 Wuppertal
Tel: +49 (0)2 02 / 40 45-0
E-Mail: info@wera.de
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