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  • Users: usma82
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  1. usma82

    Roll-formed ACME Screw - should there be cracks on run-out?

    We recently outsourced an acme screw with the following specs: Stainless 303S per ASTM A582 THD.-1-5 NA-2G Major Dia.- 1.000 Pitch Dia.- .8920 Minor Dia.- .7800 Single left/right hand ACME Thread Pitch - .200 Thread Thickness at Pitch Line - .100 Thread angle - 29 Degrees During the first...

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