Metric Thread Mills for Steel

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4STM (Universal Short Edge Thread Mill)Thread Mill for hardened and pre-hardened steel(~Hrc50), alloy steel, carbon steel, cast iron.

  • Tough and strong edge design for threading in hardened steels.
  • Deliver improved cutting and chip removal, reducing the risk of the cutting tool breaking off inside of hole.
  • Tip shape reduces cutting resistance and suppresses tool bending.
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