• Optics Curmudgeon's Avatar
    09-26-2017, 09:20 PM
    Zinc is dominant in all Zamak alloys, the most common are alloys 2, 3, 5 and 7, and these have no more than 4.3% aluminum. The new ZA alloys are...
    23 replies | 874 view(s)
  • Optics Curmudgeon's Avatar
    09-06-2017, 09:12 PM
    I usually do this job on a vertical mill, and indicate to the bore. Never had a problem. Any manufacturer that doesn't keep the bore concentric to...
    7 replies | 755 view(s)
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About Optics Curmudgeon

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About Optics Curmudgeon
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