The Starrett 585 micrometers have a pointed spindle and a double V-anvil, both shaped to contact the screw thread as shown in the drawing. The micrometer reading therefore gives the pitch diameter. 1-2″Â Range, .001″Â Grad, 28-30 TPI.
$303.60 Original price was: $303.60.$190.11Current price is: $190.11.
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The Starrett 585 micrometers have a pointed spindle and a double V-anvil, both shaped to contact the screw thread as shown in the drawing. The micrometer reading therefore gives the pitch diameter. 1-2″Â Range, .001″Â Grad, 28-30 TPI.
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