ISO 7379-8-M6-25 ISO 7379-8-M6-25-NI ISO 7379-8-M6-30 ISO 7379-8-M6-30-NI ISO 7379-8-M6-35 ISO 7379-8-M6-40 ISO 7379-8-M6-40-NI ISO 7379-8-M6-45 ISO 7379-8-M6-50 ISO 7379-8-M6-50-NI