contact semi-automatic welding of the hinge bodies with the stabiliser strut rod provides a threefold safety margin of welded seams; ball pin is made of heat-treated high quality alloy steel; sphere and finger flange are additionally strengthened by rolling rollers;the thread of the ball pin is made by knurling method, which achieves high accuracy and strength of the thread; under the cover the lubricant for ball joints SHRB-4 is put, which additionally protects the joint from moisture ingress); covers are made of oil, petrol, ozone and ozone resistant thermoplastic polyurethane: 3 times stronger than rubber and silicone analogues.
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