Ball pin is made of heat-treated high quality alloy steel; sphere and finger groove are additionally strengthened by rolling rollers; ball pin thread is made by knurling method, it achieves high accuracy and strength of the thread; under the cover is laid lubricant for ball joints SHRB-4, additionally protecting the joint from moisture); covers made of oil-gasoline-ozone-resistant thermoplastic polyurethane: 3 times stronger than rubber and silicone analogues, anti-corrosion coating of the case;anti-corrosion coating of the ball pin.
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