Material: 
Body and ball stud 230 M07 Pb leaded low carbon steel equivalent 9S Mn Pb 28K, tensile strength 430-500N/mm². Ball stud is case hardened.
Gaiter Polychloroprene
Protective Finish:
Body ball stud Zinc plated and yellow passivated; ball stud de-embrittled. The assembly is lubricated..

DIG Ball Joint

• SAE J 490 Style 1.
• Swaging of body produces a permanent assembly.
• The fitted polycholoprene gaiter helps resist dirt ingress.
• Hexagon form of studs facilitates assembly.
• Metric sizes of this range are shown on Data Sheet DMG
• On 'Style A' a pair of spanner  flats and on 'style B'.
• For all sizes. 'Style A' will eventually replace 'style B'.
• Subject to quantity, special threaded bodies and ball
  studs are avalible