Why do we use Thread inserts? . 1. Lengthen the life of service 2. Increase the intensity of connecting 3. Increase the strength of receiving 4. Improve the condition of connecting and increase the carrying capacity and anti-exhausted intention 5. Antirust and form 6. Decrease wear- resisting and heat-resisting and canker-resisting 7. Antidetonation and Take off lockingly 8. Used for maintaining
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