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 and ball stud Zinc plated and yellow passivated: ball stuf is de-embrittled. The assembly is lubricated.

DMG Ball Joint

• Metric equivalent to SAE J490 Style 1.
• Swaging of body produces a permanent assembly.
• The fitted polychloroprene gaiter helps resist dirt ingress.
• Hexagon form of studs facilitates assembly.
• Inch sizes of this range are shown on Data Sheet DIG.
• On 'style A' a pair of spanner flat, assist assembly. 
• For all sizes, 'style A' will eventually replace 'style B'.
• Subject to quantity, special threaded bodies and ball studs are avalible