DIN 933 Geman standard, ISO 4017 international standard, EN ISO 4014 European standard.  Differences are dimensions for s, e are a little different, ISO 4017 is smaller than DIN 933. Rest parts are same.

Main differences are in M10, M12, M14, M22

Mechanical property tests: Both standards require general appreance inspection and thread gauge test(go- nogo), then conduct below tests according to order requirements.

Tensile test, impact test, hardness test, torque test, wedge load test