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As well as the raw material analysis certificate, each batch of balls can also be accompanied by a report attesting conformity to ISO 3290, DIN 5401 or ANSI/ABMA standards. On request, further documentation can also be provided, such as test reports for the various parameters checked (roughness, roundness, hardness), process evaluation (Cp and Cpk or Pp and Ppk) and initial sampling documentation.
Cert. ISO 9001-2015 Scad.09-2027
Cert. ISO 14001-2015 scad.09-2027
Cert. IATF 16949-2016 Scad.09-2027
Tolerance for bearing balls according ISO 3290 : 2001 (ISO 3290 norms have been totally acknowlwdged by ABMA/ANSI (U.S.A.) and DIN.5401: 2002 (Germany) norms.
Ball measure system (The following charts are designed to assist in the selection of the most appropriate Martin standard product for individual applications)
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