829D Small Hole Gage 53073

The Starrett 829 Small Hole Gage is a full-ball gage that is used for general work. .400-.500" (10.2-12.7mm) Range, 3 1/2" (90mm) Length.

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  • Ideal for accurately measuring small holes, slots, grooves, and recesses
  • Precision Ground Radius on each gage provides two-point contact for maximum accuracy
  • Used for general work
  • Well balanced
  • More accurate measurements
  • Hardened-ball measuring surface with two-point contact
  • Full-ball gages
  • Smooth, sensitive adjustment
  • Adjustment of the gage beyond their range is restricted by a safety stop that prevents breakage


  • Range (in): .400-.500"
  • Range (mm): 10.2-12.7mm
  • Length (in): 3-1/2"
  • Length (mm): 90mm


    Member of Kit
    Item #DescriptionPart No.QtyInformation
    10BALL END07240-01
    20NUT, #1-64 ADJ. ROD18290-01
    30RING, RETAINING, .116X.166X.02518292-01
    40ROD, ADJUSTING08879-01