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Micrometer Ball Attachment

STARRETT-247D

Starrett outside micrometers and micrometer heads can be converted for measuring wall thickness of tubing, split and full bearings, sleeves and other parts with rounded surfaces by means of the No. 24... read more

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Features

Starrett outside micrometers and micrometer heads can be converted for measuring wall thickness of tubing, split and full bearings, sleeves and other parts with rounded surfaces by means of the No. 247 ball attachment. Fits Nos. 216, 231, 436.1, 733, 734, 3734, 1212 and 1230.

Additional Features

  • Easily applied by snapping on to end of either anvil or spindle
  • Balls are hardened, measure .200" and move freely in retainer
  • The diameters, .200", of each ball used must be subtracted from the micrometer reading
  • .250" diameter anvil and spindle
Specifications
Accuracy: none
Acme Tools Brand Name: STARRETT
Acme Tools Air Shipment Restricted: N
Acme Tools Prop65 Compliant: N
Acme Tools Carb Compliant: N
Acme Tools Part Number: 247D
Assembled Weight (lbs): 0.1
Case Included: No
Graduations / Resolution: none
Material: Steel
Measuring Format: Metric & SAE
Measuring Range: none
Measuring Tool Type: Micrometers
Package Weight: 0.1
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