AB&S Avvito - screws, bolts and fasteners, TurinAB&S AVVITOFasteners since 1969 IT
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Certified since 1998

Our first Quality Manual dates from 1991, and the first certification of our quality system from 1998. Today we are certified to ISO 9001:2015, extended to the PED Directive 2014/68/EU for pressure equipment components, and every incoming batch goes through our laboratory.

Current certifications

ISO 9001:2015 + PED

  • ISO 9001:2015 quality management system
  • Extension to Directive 2014/68/EU (PED)
  • NACE-certified screws for H₂S service

Download the certificate (PDF) →

Certificates with the supply
DocumentContent
EN 10204 2.1Declaration of compliance
EN 10204 2.2Non-specific test report
EN 10204 3.1Specific test report
EN 10204 3.2With a third-party inspection body
Dimensional and PMIMeasurements and alloy identification
100% hardnessEvery part tested

Certificates cover only the material we supply: request them in your order, together with the parts.

In-house laboratory

Every batch goes through here

Dimensional checksGo / no-go gauges, ring and plug gauges, micrometer, profile projector.
HardnessHardness tester for Rockwell HRC and HRB tests.
Destructive testingChemical analysis with a SPECTROMAXx spectrometer, tensile testing on a Metrocom machine.
Non-destructive testingPMI, radioactivity check, coating thickness measurement with Fischerscope. PT, UT, ET and MT at external laboratories accredited to ISO/IEC 17025.
Spectrometer for chemical analysis
Spectrometer for chemical analysis
Material analysis with a portable instrument
Material analysis with a portable instrument
Dimensional check with a calliper
Dimensional check with a calliper
The quality laboratory
The quality laboratory