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lathe bits?

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  • lathe bits?

    Hello. I'm looking form some help identifying some tool blanks from my late step dad. I have the following
    Latrobe crusader XL
    Crucible REX 95
    Crucible CMP Rex T-15
    Anybody know what material these would work best on?
    I turn a bit of everything all as a hobby on a 11 inch Sheldon
    I have a Chinese bxa size QCTP and a lantern tool post with Armstrong holders.

    Thanks
    Jeremy

  • #2
    All three are premium HSS tool blanks. They are very hard and perhaps better suited for fine feed finishes and hard and/or tough materials than roughing and heavy tock reduction.

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    • #3
      Originally posted by Forrest Addy
      All three are premium HSS tool blanks. They are very hard and perhaps better suited for fine feed finishes and hard and/or tough materials than roughing and heavy tock reduction.
      May I ask why? Are they too hard, and therefore brittle, and fracture easily ?

      .
      Thomas

      Problems worthy of attack prove their worth by hitting back
      - Piet Hein

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      • #4
        http://www.latrobesteel.com/

        look under the "technical" drop down. Tons of information, a comparison of those products to start with but also data sheets on each individual one.

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        • #5
          All are high quality HSS that have few equals. I don't think the stuff you get now is as good as those older pieces. Use the current American and Import for most your turning and save those for the important jobs.

          I have a lot of the older stuff I save for special work.
          It's only ink and paper

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          • #6
            The T-15 is a high tungsten HSS that's really nice for abrasive work. Lasts a good while when other stuff wears away. Not a lot of fun to hand grind.

            The Rex-95 is a good steel as well. Holds an edge pretty well.

            I don't recognize the Latrobe but their stuff was top notch.

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            • #7
              Thanks to all for the great information. I appreciate it.

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