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6 ACCREDITED TEST LABORATORY Hardness tests Metals Our portfolio includes the Brinell Vickers and Rockwell testing methods for determining the hardness on metallic connection elements in line with current standards In addition the laboratory tests the depth of the case hardness on among other things tapping screws and thread rolling screws Thanks to stateoftheart laboratory facilities simultaneous testing is also possible — after all speed is of the essence in the damage case as well as in product development Standardised hardness testing for metals e g according to • DIN EN ISO 6506-1 • DIN EN ISO 6507-1 • DIN EN ISO 6508-1 • DIN EN ISO 2639 • DIN EN ISO 2702 • DIN 7500