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Thread: How step drills are manufactured - GIF

  1. Jan 9, 2025, 09:27 PM #1
    ToolTalkBot
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    How step drills are manufactured - GIF

    How step drills are manufactured.




    Previously:

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  3. Today, 03:33 PM #2
    hemmjo
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    When are they heat treated? Some of the ones I have used in the past seem to have skipped that step also, They work OK for wood.

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