Fastener Testing Center

Tests and examinations of metal components.

ARNOLD UMFORMTECHNIK's Fastener Testing Center offers you a full service programme wherever you need to carry out checks, tests, measurements or qualifications on metal components. The most up-to-date test equipment and highly qualified staff provide the right platform for high-quality and neutral results.



Mechanical Inspections

Inspecting the mechanical properties of components
Testing range:
1.1    Pulling tests to DIN EN 10002-1 / DIN EN ISO 898-1
    - at ambient temperature on screws
    - at ambient temperature on wire sections  
1.2    Torque / breaking torque to DIN EN 20898-7
1.3     Pressure test/pressure resistance to DIN 50106
1.4    Hardness test to DIN EN ISO 6507 (HV10, HV0.3)
1.5    EHT measurement
1.6    Hardness processes


Assessment of joints in heat-treated and case-hardened steels
Testing range:
2.1    Macro and micro-grinding
2.2    Micro-structure analysis
2.3    Carbonisation condition
2.4    Degree of cleanliness DIN 50602
2.5    Ascertaining grain size ASTM E112
2.6    Ascertaining coating thickness
2.7    Measurement


Measurement of components
Testing range:
3.1     3D measurement
3.2     Profile measurement
3.3     Length and diameter
3.4    Radii and angles

Application investigations

Carrying out pre-defined trials
Testing range:
4.1    Friction coefficient DIN EN ISO 16047
4.2    Tapping torque DIN  7500 / DIN 267 T30
4.3    Pre-load force
4.4    Long-term pre-load force measurement
4.5    Heat release behaviour VDA 235-203
4.6    Long-term pre-load force measurement in alternating atmospheres
4.7    Application analysis

Technical cleanliness

Cleanliness and residual contamination analyses
Testing range:
5.1     Particle size distribution as per VDA vol. 19 ISO 16232 - WPA 159)
5.2     Gravimetry WPA 160
5.3     Extraction curve

Vérifications relatives à la corrosion

Évaluation de la résistance à la corrosion de pièces de montage
Gamme de tests:
6.1    Essai au brouillard salin DIN EN ISO 9227
6.2    Climat industriel DIN 50018


Vous recevrez les documentations et rapports de tests concernant les analyses que nous avons réalisées.