Starrett 247 Micrometer Ball Attachments

Brand:   Starrett
ID:
362628
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Starrett

Starrett 247 Micrometer Ball Attachments

INCH/MM

Outside micrometers and micrometer heads having spindle sizes listed below can be instantly converted for measuring wall thickness of tubing, split and full bearings, sleeves and other parts with rounded surfaces by means of the 247 Ball Attachment.

Features

  • Easily applied by snapping on to end of either anvil or spindle, thus permitting two attachments to be used together
  • Balls are hardened, measure .200" and 5mm in diameter, and move freely in the retainer, insuring positive contact with anvil and spindle
  • The diameters, .200" or 5mm, of each ball used must be subtracted from the micrometer reading
  • All metal construction

 

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Starrett 247 Micrometer Ball Attachments

Starrett 247 Micrometer Ball Attachments

Starrett 247 Micrometer Ball Attachments