Consistently high quality is the top priority for Lederer. This applies to the quality of both products and services.

All incoming and outgoing parts are subjected to a systematic quality analysis and assessment. Physical and chemical properties are examined with modern measuring instruments and compared with the desired properties. These permanent tests force our suppliers to deliver nothing but high quality products. Lederer does not cooperate with manufacturers that fail to maintain the required standard.

If there is an appropriate individual agreement with the customer, we can even carry out a 100% check, i.e. each individual part is subjected to a test before it is dispatched from stock. In this way, even unusual and extremely exacting quality requirements can be fulfilled.

In many branches of industry, moreover, fasteners with TÜV (German technical testing institute) approval are required. Lederer is one of the few suppliers whose product assortment depth now leaves hardly a wish in this area unfulfilled. The articles in question are given the designation „TÜV approved in accordance with AD-W2“ and the material specification „A 2-70 / A 4-70“ in the Lederer catalogue.

The following test certificates in accordance with DIN EN 10204:2004 can be issued: