text.skipToContent text.skipToNavigation

Quality management

Keller & Kalmbach attaches great importance to the highest quality. This refers not only to goods, but also the actions of employees. The pronounced focus on quality can be seen in our management systems. Our customers can access a worldwide, audited pool of suppliers, for which we perform on-site services in purchasing, materials management, and logistics.

A wide range of measurement and test equipment, as well as broad specialist knowledge mean that we are always prepared to meet your requirements. Beside hardness tests and measuring inspections, we offer various other testing processes.

We have received various awards over the years for our high quality standards. These include the Bavarian Quality Award. With EMAS, we have also been using an extensive environmental management system since 2017.

Beside certification to DIN EN ISO 9001:2015, we also meet the strict requirements in the automotive sector with VDA 6.2. You can find further certificates on the download portal.

Our quality policy


The aim of an audit is to achieve a systematic, independent investigation of activities and results on the basis of defined requirements. This helps identify problems and weaknesses and then address them with suitable measures. The effectiveness of these measures is also assessed. Product, process and system audits are performed in-house. These assess the performance of internal procedures, as well as suppliers. Customer and certification audits are also performed.

DIN EN ISO 9001:2015

This standard defines requirements for a quality management system. The relationship between a regulated organization and company success is presented through application of a document QM system. Overall success should be secured via product quality and customer satisfaction with unique provisions, clearly defined responsibilities, and actions within the process structure. A uniform basic structure and basic system are created with the High Level Structure in DIN ISO 9001:2015.



Initial sample test reports are predominantly used to approve new products and processes in the automotive industry. Initial samples are generally specified as per VDA 2 or PPAP. However, they need to be agreed in the order. As per the German Association of the Automotive Industry (VDA), no initial sampling is generally provided for standard parts. The costs of producing samples are generally very high relative to the parts price. A simplified form of the product and process approval procedure should definitely be applied here.


We place great emphasis on customer satisfaction at our company. The motto of "the customer is king" is actively lived out and represents a foundation of our company policy. Various KPIs such as delivery performance, number of complaints, audits, evaluations, and sales revenue are used as the basis when measuring customer satisfaction. The objective is to further increase customer satisfaction through various improvement measures, particularly in logistics systems, CIP, eLogistics, etc.


A structured supplier management system should ensure that only suppliers with the requisite quality capability are used for procurement. Well-founded supplier selection that is performed using various criteria forms the basis for making decisions. This builds on ongoing supplier evaluation, which itself encompasses both hard and soft facts. The overall performance of our company is incorporated with a systematic process of supplier development and promotion.

Null-Fehler Programm

As a general rule, Keller & Kalmbach pursues the objective of zero errors. The process structure is designed to meet this objective. A key factor here is avoiding errors, while incorporating employees, processes, and suppliers. The test laboratory on our premises with comprehensive equipment and qualified employees supports the zero-error program. A continuous process of improvement and further training for our employees also provide valuable support.


In 2007, we had our environmental protection system certified as per the City of Munich's Eco-Profit (ÖKOPROFIT) standard and worked on continuous improvement. In November 2017, we were presented with the EMAS certificate. The environment represents an important element in our company policy. We make our contribution to better understanding of the environment with the EMAS environmental management system and the permanent ambition to lighten the load on the environment. We pursue these guiding principles in the environmental policy.



To boost the trust of our customers in our company, we have been certified in various areas: DIN EN ISO 9001 / VDA 6.2 / IRIS - DIN EN ISO 22163 / EMAS

Further awards:

Keller & Kalmbach is the first company that has been presented with the Bavarian Quality Award twice (2001 and 2010).


Quality assurance

Our ERP system is connected to the CAQ system via interfaces, which enables us to store characteristic-related tests on product groups or down to article level. After consultation with our customers, we can determine the inspection frequency using skip-lot procedures.
If our customers should ever have problems with the delivered products, we are available with a qualified team for support. The safeguarding of our customers' production is our first priority. Common quality tools, such as 8D-Report are used here for final feedback for the customer.
By using our modern, fully automated logistics warehouse, we are able to transfer the production batches of our suppliers into our avalanche beacon. If this is not available, our system assigns a separate batch number. This enables us to clearly trace all customer deliveries back to the production of our supplier. Furthermore, we also manage the MHD of our products with expiry dates.
Only selected and pre-qualified suppliers are included in our list of approved suppliers. A regular qualitative assessment and the performance of audits allow us to detect changes in the quality situation immediately. This enables us to immediately initiate suitable countermeasures.
Depending on the customer agreement, we order appropriate test certificates according to DIN EN ISO 10204 from our suppliers, which are stored in the system for the batch concerned in the incoming goods department and transmitted with the delivery note at the customer's request.

Initial sampling

We are able to meet all sampling requirements of our customers. Whether according to VDA or PPAP according to the desired presentation stages is decided by our customers.
For our automotive customers, we naturally enter the chemical analysis of the material composition of each affected component into the industry-specific management system. In this way, we ensure the professional disposal of our delivered products after their useful life in the installed vehicles.
Depending on the customer agreement, we can also carry out desired requalifications according to a time schedule and make them available to the customer.

Test laboratory

In our test laboratory we are able to check and document all dimensional and mechanical properties of fasteners. Only a few special tests \(e.g. surface tests according to PV1209, analyses in the scanning electron microscope, etc.\) are outsourced to our service partners.


Keller & Kalmbach has established a quality management system according to ISO 9001. For our customers from the automotive industry, we are certified according to VDA 6.2 and for the railway industry according to ISO / TS 22163. With our EMAS certification we would like to communicate our attitude towards the environment.