
1) Filled with lubricant so as to circle swing agilely without any block.
2) Unless otherwise specified, all dimensions in inches.
Material and surface treatments:
1) Ball socket & ball stud: low carbon steel Q235A,Zinc plating.Alternative stainless steel 304, stainless steel 303 or stainless steel 316 with surface passivation.
2) Rubber disc: Buna-N.