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HERT
pierścienie rozprężne / expanding rings przetyczki zwykłe / odridary staples tulejki cierne / friction sleeves zawleczki Hert / Hert hz cotter pins
--- Quality control

Because quality is of the utmost importance for us, we have perfected the art of quality control on an unprecedented level in our industry.

This can be proved by the fact that there has been no complaints since the day when the company was established, or since 1982!

Every production process is under control.

After the material is received in the warehouse, it is checked on a testing machine whether it complies with the certificate. Each coil is checked in this manner.

After plastic forming, samples are taken from each batch and verified in the same way. All dimensions which are important for individual elements are under strict control throughout each production stage.

If the element requires hardening, after it comes back from the hardening shop it is checked for compliance with its certificate by means of a hardness tester.
If the element requires galvanizing, we check average thickness of the electrolytic coating on a selected batch by means of a very precise thickness gauge (accuracy of +/- 0,1 µm) after the element comes back from the galvanizing shop.

At the end of the production stage we also check gross weight of each batch of the products.

The way we carry out quality control make us Poland’s leading manufacturer of such elements.

It is worth mentioning here that a large number of our products is sold to foreign markets where quality is the most important criterion.

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