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  • Users: Micromatic
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  1. Micromatic

    Need to settle a debate - Tool Steel O-1 or 0-1

    I am looking to settle a debate on the call out for a specific tool steel. What should the call out be for 0-1 Tool Steel? Is it the letter 'O' or the number 'zero'? O-1 Tool Steel or 0-1 Tool Steel I have seen both of them used. I have called metal suppliers and they said they are...
  2. Micromatic

    Torque Specification for a threaded connection

    We are changing a design from a welded connection to a dry threaded connection. The welding process causes the part to warp. I have designed the connection to be a 1-14 UN male to a 1-14 UN female. The male thread is made from 4140 PH material with an outside diameter of 1.25 inches. The female...

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