wire thread inserthe outer diameter of steel wire thread insert at free state, co***red with the diameter of thread aperture, is longer .While, the former will be inserted the latter .When assembled , the outer diameter getting smaller through the wrench strength , it is circumvolved into the thread aperture and will be firmly fixed there , never move to the bolt¡¯s move. A high precision inner thread in accordance with the corresponding standards forms , superior to that by wire wimble.
Trait 2: Increase the carrying capacity and weariness strength on the thread connection : The steel wire thread insert makes a flexible connection between the bolt and the bottom aperture of the inner thread . We eliminate the errors for the screw-pitch and DBC case of tooth type between inner and outer thread ,so the inner thread is enhanced and vibration is lessened.
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