Ratchet Pipe Threader Kit W/ 3 NPT Dies (1/2″, 3/4″, 1″), Heavy-Duty 9Sicr Steel
It features strong hardenability, small deformation, and wear resistance far superior to ordinary steel, which can greatly extend the service life of the tool. Even in high-frequency heavy-duty operations, it can maintain stable threading accuracy and avoid problems such as
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