GREBEN® – quality and precision

Your reliable business partner

ACRA8, Greben OS, PremiumCut Discs!

GREBEN ® was created by KONPORT company, which has been dealing with the distribution of industrial materials by known manufacturers for over 35 years.

Our products are the highest quality abrasives, manufactured in our production hall using the most modern devices. We guarantee our customers high quality, fast delivery and adaptation to specific requirements.

  • Eceptional Quality
  • Reasonable Prices
  • Individual Solutions
  • Customer Support
  • Customer Trust
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Greben® ACRA8 – grit of microscopic ceramic grains + cooling additive, stiff backing YY, characterized by strong edges. The material recommended for stainless steels, titanium and nickel alloys.

Abrasive belts

We produce endless belts in sizes from 10 mm wide to 2000 mm long. ACRA8 belts provide high speed material removal vithout overheating and discoloration. Contact us to learn more about ACRA8 products!

Abrasive discs

We offer ACRA8 abrasive discs – diameter from 40 mm. Ceramic grain means less pressure during grinding and a much longer life comparing with zirconium corundum. Check our offer!


Ideally suited for surface grinding, profiles and curvatures. At low cost we can change our angle grinder in the belt sander.


Greben OS is a tool suitable for most angle and straight grinders, both electrical and pneumatic. It is characterized by rapid replacement of abrasive belt.


For the grinding wheel we offer abrasive belts – Greben ACRA8, 3M Cubitron, Trizact, non-woven fabric ScotchBrite and other. They are suitable for processing of almost every possible material.

PremiumCut discs

Super thin cutting discs! We achieve fast cutting and long disc life due to a special mix of premium corundum grain and high-quality binder.


Flat cutting discs PremiumCut are suitable for steel, INOX and acid proof steels. Greben discs are ideal for cutting pipes, metal sheets and profiles.

Get in touch

Learn more about Greben!

Contact us for more information about our ceramic belts, grinding weels or PremiumCut discs.



PPHU Konport Konrad Zydorczak
ul. J. Rubczaka 13,
54-002 Wrocław, Poland
NIP: PL 895-000-74-46
phone: +48 71 349 15 82

Export Department

Anna Zydorczak
phone: +48 601 976 910


Monday – Friday 8:00 AM – 4:00 PM
Sat, Sun - Closed